NVIDIA GeForce GTX TITAN Z vs AMD Radeon HD 7990
NVIDIA GeForce GTX TITAN Z
$2,999
AMD Radeon HD 7990
$1,000
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2x 2880 Shaders
12GB (2x 6GB) GDDR5
876MHz
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2x 2048 Shaders
6GB (2x 3GB) GDDR5
1000MHz
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Peak AI Performance
10.09 TOPS
INT32
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Peak AI Performance
8.19 TFLOPS
FP32
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FP32
10.09 TFLOPS
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FP32
8.19 TFLOPS
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-
-
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-
-
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Form Factor
PCIe Card
3.0-Slots
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Form Factor
PCIe Card
2.0-Slots
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TDP
375W
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TDP
375W
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Power Connectors
-
2x 8-Pin
-
-
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Power Connectors
-
2x 8-Pin
-
-
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GB6 OpenCL N/A
0%
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GB6 Metal N/A
0%
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GB6 Vulkan N/A
0%
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GB6 Vulkan N/A
0%
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GB5 OpenCL N/A
0%
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GB5 OpenCL N/A
0%
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GB5 CUDA N/A
0%
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GB5 CUDA N/A
0%
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GB5 Metal N/A
0%
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GB5 Metal N/A
0%
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GB5 Vulkan N/A
0%
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GB5 Vulkan N/A
0%
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OCT 2020.1 N/A
0%
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OCT 2020.1 N/A
0%
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OCT Metal N/A
0%
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OCT Metal N/A
0%
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Peak AI
Performance
10.09 TOPS
INT32
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Peak AI
Performance
8.19 TFLOPS
FP32
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-
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-
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FP32
10.09 TFLOPS
-
-
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FP32
8.19 TFLOPS
-
-
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FP64
3.36 TFLOPS
-
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FP64
2.05 TFLOPS
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-
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INT32
10.09 TOPS
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-
-
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-
-
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-
-
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Pixel
Fillrate
42.048 GPixel/s
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Pixel
Fillrate
32 GPixel/s
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-
-
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-
-
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Texture
Fillrate
210.24 GTexel/s
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Texture
Fillrate
128 GTexel/s
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Manufacturer
NVIDIA
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Manufacturer
AMD
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Chip Designer
NVIDIA
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Chip Designer
AMD
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Architecture
Kepler
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Architecture
GCN 1
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Family
GeForce 700
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Family
Radeon HD 7000
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Codename
NVF0
GK110
Variant
GK110-350-B1
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Codename
Tahiti
-
Variant
New Zealand XT
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Market Segment
Desktop
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Market Segment
Desktop
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Release Date
5/28/2014
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Release Date
4/24/2013
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Foundry
TSMC
-
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Foundry
TSMC
-
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Fabrication Node
28nm
-
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Fabrication Node
28nm
-
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Die Size
2x 561 mm²
-
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Die Size
2x 352 mm²
-
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Transistor Count
2x 7.1 Billion
-
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Transistor Count
2x 4.3 Billion
-
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Transistor Density
12.62M/mm²
-
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Transistor Density
12.25M/mm²
-
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Form
PCIe Card
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Form
PCIe Card
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Shading Units
2x 2880 Shaders
-
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Shading Units
2x 2048 Shaders
-
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Texture Mapping Units
2x 240 TMUs
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Texture Mapping Units
2x 128 TMUs
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Render Output Units
2x 48 ROPs
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Render Output Units
2x 32 ROPs
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-
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-
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-
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-
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Streaming Multiprocessors
2x 15 SMs
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-
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-
-
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Compute Units
2x 32 CUs
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-
-
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-
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-
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705MHz Base
876MHz
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950MHz Base
1000MHz
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-
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-
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L1
48KB/SM Tex
16KB/SM
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-
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L1
-
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16KB/CU
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L2
1.5MB Shared
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L2
768KB Shared
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-
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-
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12GB (2x 6GB)
GDDR5
-
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6GB (2x 3GB)
GDDR5
-
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Bus Width
384Bit
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Bus Width
384Bit
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Clock
1753MHz
Transfer Rate
7GT/s
Bandwidth
336.5GB/s
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Clock
1500MHz
Transfer Rate
6GT/s
Bandwidth
288GB/s
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TDP
375W
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TDP
375W
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-
-
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-
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1x DVI-I Dual-Link
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1x DVI-D Dual-Link
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1x DisplayPort 1.2
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1x HDMI 1.4
-
-
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1x DVI-I Dual-Link
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4x mini-DisplayPort 1.2
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-
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Max Resolution
4096x2304
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Max Resolution
4096x2160
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Max Resolution Refresh Rate
60Hz
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Max Resolution Refresh Rate
60Hz
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Variable Refresh Rate
G-Sync
FreeSync
-
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Variable Refresh Rate
-
-
-
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Display Stream Compression (DSC)
Not Supported
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Display Stream Compression (DSC)
Not Supported
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Multi Monitor Support
4
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Multi Monitor Support
4
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-
-
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-
-
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Model
NVENC 1
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Model
VCE 1.0
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Codec
-
-
-
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AVC (H.264)
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Codec
-
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AVC (H.264)
-
-
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Model
NVDEC 1
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Model
UVD 3.2
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Codec
MPEG-1
MPEG-2
MPEG-4
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VC-1
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-
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AVC (H.264)
-
-
-
-
-
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Codec
MPEG-1
MPEG-2
MPEG-4
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VC-1
-
-
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AVC (H.264)
-
-
-
-
-
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Direct X
12
Direct 3D
11_0
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Direct X
12
Direct 3D
11_1
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OpenGL
4.6
OpenCL
3.0
Vulkan
1.2
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OpenGL
4.6
OpenCL
2.1
Vulkan
1.2
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Shader Model
6.5
CUDA
3.5
-
-
PureVideo HD
VP5
VDPAU
Feature Set D
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Shader Model
6.5
-
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GFX
6
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1x Fan
|
-
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3x Fans
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Power Connectors
-
-
-
2x 8-Pin
-
-
-
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Power Connectors
-
-
-
2x 8-Pin
-
-
-
|
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Slots Required
3.0
PCIe Version
3.0
PCIe Lanes
16
|
Slots Required
2.0
PCIe Version
3.0
PCIe Lanes
16
|
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Multi GPU Support
Supported
Type
2-way SLI
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Multi GPU Support
Supported
Type
2-way CrossFireX
|
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Height
111 mm (4.37 in)
Width
267 mm (10.51 in)
Depth
62 mm (2.44 in)
|
Height
115 mm (4.53 in)
Width
304 mm (11.97 in)
Depth
38 mm (1.5 in)
|
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