NVIDIA GeForce GTX TITAN Z vs AMD Radeon HD 7990

NVIDIA GeForce GTX TITAN Z $2,999
AMD Radeon HD 7990 $1,000
2x 2880 Shaders
12GB (2x 6GB) GDDR5
876MHz
2x 2048 Shaders
6GB (2x 3GB) GDDR5
1000MHz
Peak AI Performance
10.09 TOPS
INT32
Peak AI Performance
8.19 TFLOPS
FP32
FP32
10.09 TFLOPS
FP32
8.19 TFLOPS
Form Factor
PCIe Card
3.0-Slots
Form Factor
PCIe Card
2.0-Slots
TDP
375W
TDP
375W
Power Connectors
2x 8-Pin
Power Connectors
2x 8-Pin

Peak AI Performance

  • 23% faster vs Radeon HD 7990
  • 19% slower vs GeForce GTX TITAN Z
GeForce GTX TITAN Z - 10.09 TOPS INT32
x1.23
Radeon HD 7990 - 8.19 TFLOPS FP32
x1

FP32

  • 23% faster vs Radeon HD 7990
  • 19% slower vs GeForce GTX TITAN Z
GeForce GTX TITAN Z - 10.09 TFLOPS FP32
x1.23
Radeon HD 7990 - 8.19 TFLOPS FP32
x1
  • 17% faster vs Radeon HD 7990
  • 14% slower vs GeForce GTX TITAN Z
GeForce GTX TITAN Z - 336.5GB/s
x1.17
Radeon HD 7990 - 288GB/s
x1
  • Same TDP vs Radeon HD 7990
  • Same TDP vs GeForce GTX TITAN Z
GeForce GTX TITAN Z - 375W
x1
Radeon HD 7990 - 375W
x1
GB6 OpenCL N/A
0%
GB6 Metal N/A
0%
Manufacturer
NVIDIA
Manufacturer
AMD
Chip Designer
NVIDIA
Chip Designer
AMD
Architecture
Kepler
Architecture
GCN 1
Family
GeForce 700
Family
Radeon HD 7000
Codename
NVF0
GK110
Variant
GK110-350-B1
Codename
Tahiti
-
Variant
New Zealand XT
Market Segment
Desktop
Market Segment
Desktop
Release Date
5/28/2014
Release Date
4/24/2013
Foundry
TSMC
Foundry
TSMC
Fabrication Node
28nm
Fabrication Node
28nm
Die Size
2x 561 mm²
Die Size
2x 352 mm²
Transistor Count
2x 7.1 Billion
Transistor Count
2x 4.3 Billion
Transistor Density
12.62M/mm²
Transistor Density
12.25M/mm²
Form
PCIe Card
Form
PCIe Card
Shading Units
2x 2880 Shaders
Shading Units
2x 2048 Shaders
Texture Mapping Units
2x 240 TMUs
Texture Mapping Units
2x 128 TMUs
Render Output Units
2x 48 ROPs
Render Output Units
2x 32 ROPs
Streaming Multiprocessors
2x 15 SMs
-
-
-
-
Compute Units
2x 32 CUs
705MHz Base
876MHz
950MHz Base
1000MHz
Peak AI Performance
10.09 TOPS
INT32
Peak AI Performance
8.19 TFLOPS
FP32
FP32
10.09 TFLOPS
FP32
8.19 TFLOPS
FP64
3.36 TFLOPS
FP64
2.05 TFLOPS
INT32
10.09 TOPS
-
-
Pixel Fillrate
42.048 GPixel/s
Pixel Fillrate
32 GPixel/s
Texture Fillrate
210.24 GTexel/s
Texture Fillrate
128 GTexel/s
L1
48KB/SM Tex
16KB/SM
-
L1
-
-
16KB/CU
L2
1.5MB Shared
L2
768KB Shared
12GB (2x 6GB)
GDDR5
6GB (2x 3GB)
GDDR5
Bus Width
384Bit
Bus Width
384Bit
Clock
1753MHz
Transfer Rate
7GT/s
Bandwidth
336.5GB/s
Clock
1500MHz
Transfer Rate
6GT/s
Bandwidth
288GB/s
TDP
375W
TDP
375W
1x DVI-I Dual-Link
1x DVI-D Dual-Link
-
1x DisplayPort 1.2
1x HDMI 1.4
1x DVI-I Dual-Link
-
4x mini-DisplayPort 1.2
-
-
Max Resolution
4096x2304
Max Resolution
4096x2160
Max Resolution Refresh Rate
60Hz
Max Resolution Refresh Rate
60Hz
Variable Refresh Rate
G-Sync
FreeSync
Variable Refresh Rate
-
-
Display Stream Compression (DSC)
Not Supported
Display Stream Compression (DSC)
Not Supported
Multi Monitor Support
4
Multi Monitor Support
4
Model
NVENC 1
Model
VCE 1.0
Codec
AVC (H.264)
Codec
AVC (H.264)
Model
NVDEC 1
Model
UVD 3.2
Codec
MPEG-1
MPEG-2
MPEG-4
VC-1
AVC (H.264)
Codec
MPEG-1
MPEG-2
MPEG-4
VC-1
AVC (H.264)
Direct X
12
Direct 3D
11_0
Direct X
12
Direct 3D
11_1
OpenGL
4.6
OpenCL
3.0
Vulkan
1.2
OpenGL
4.6
OpenCL
2.1
Vulkan
1.2
Shader Model
6.5
CUDA
3.5
-
-
PureVideo HD
VP5
VDPAU
Feature Set D
Shader Model
6.5
-
-
GFX
6
-
-
-
-
1x Fan
3x Fans
Power Connectors
2x 8-Pin
Power Connectors
2x 8-Pin
Slots Required
3.0
PCIe Version
3.0
PCIe Lanes
16
Slots Required
2.0
PCIe Version
3.0
PCIe Lanes
16
Multi GPU Support
Supported
Type
2-way SLI
Multi GPU Support
Supported
Type
2-way CrossFireX
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)
Change Comparison