GeForce GTX 980 vs Radeon HD 7990

GeForce GTX 980
Radeon HD 7990
2048 Shaders
4GB GDDR5
1216MHz
2x 2048 Shaders
2x 3GB GDDR5
1000MHz
FP32
4.98 TFLOPS
FP32
8.19 TFLOPS
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-
-
-
Form Factor
PCIe Card
2.0-Slots
Form Factor
PCIe Card
2.0-Slots
TDP
165W
TDP
375W
Power Connectors
2x 6-Pin
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-
-
Power Connectors
-
2x 8-Pin
-
-
GB5 OpenCL - N/A
0%
GB5 OpenCL - N/A
0%
GB5 CUDA - N/A
0%
GB5 CUDA - N/A
0%
GB5 Metal - N/A
0%
GB5 Metal - N/A
0%
GB5 Vulkan - N/A
0%
GB5 Vulkan - N/A
0%
OCT 2020.1 - N/A
0%
OCT 2020.1 - N/A
0%
OCT Metal - N/A
0%
OCT Metal - N/A
0%
Manufacturer
NVIDIA
Manufacturer
AMD
Chip Designer
NVIDIA
Chip Designer
AMD
Architecture
Maxwell 2
Architecture
GCN 1
Family
GeForce 900
Family
Radeon HD 7000
Codename
NV124
GM204
Variant
GM204-400
Codename
Tahiti
-
Variant
New Zealand XT
Market Segment
Desktop
Market Segment
Desktop
Release Date
9/18/2014
Release Date
4/24/2013
Foundry
TSMC
-
Foundry
TSMC
-
Fabrication Node
28nm
-
Fabrication Node
28nm
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Die Size
398 mm²
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Die Size
2x 352 mm²
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Transistor Count
5.2 Billion
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Transistor Count
2x 4.3 Billion
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Transistor Density
13.07M/mm²
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Transistor Density
12.25M/mm²
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Form
PCIe Card
Form
PCIe Card
Shading Units
2048 Shaders
-
Shading Units
2x 2048 Shaders
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Texture Mapping Units
128 TMUs
Texture Mapping Units
2x 128 TMUs
Render Output Units
64 ROPs
Render Output Units
2x 32 ROPs
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Streaming Multiprocessors
16 SMs
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Compute Units
2x 32 CUs
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1126MHz Base
1216MHz
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950MHz Base
1000MHz
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FP32
4.98 TFLOPS
FP32
8.19 TFLOPS
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-
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FP64
0.16 TFLOPS
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FP64
2.05 TFLOPS
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Pixel Fillrate
77.824 GPixel/s
Pixel Fillrate
32 GPixel/s
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Texture Fillrate
155.648 GTexel/s
Texture Fillrate
128 GTexel/s
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-
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L1
-
48KB/SM
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-
L1
-
-
16KB/CU
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L2
2MB Shared
L2
768KB Shared
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-
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4GB
GDDR5
-
2x 3GB
GDDR5
-
Bus Width
256Bit
Bus Width
384Bit
Clock
1750MHz
Transfer Rate
7GT/s
Bandwidth
224GB/s
Clock
1500MHz
Transfer Rate
6GT/s
Bandwidth
288GB/s
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TDP
165W
TDP
375W
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1x DVI-I Dual-Link
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3x DisplayPort 1.2
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1x HDMI 2.0
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1x DVI-I Dual-Link
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4x mini-DisplayPort 1.2
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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
3
Multi Monitor Support
4
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Model
NVENC 3
Model
VCE 1.0
Codec
-
-
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AVC (H.264)
HEVC (H.265)
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Codec
-
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AVC (H.264)
-
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Model
NVDEC 1
Model
UVD 3.2
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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-
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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
12_1
Direct X
12
Direct 3D
11_1
OpenGL
4.6
OpenCL
3.0
Vulkan
1.3
OpenGL
4.6
OpenCL
2.1
Vulkan
1.2
Shader Model
6.7
CUDA
5.2
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-
PureVideo HD
VP6
VDPAU
Feature Set E
Shader Model
6.5
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GFX
6
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1x Fan
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3x Fans
Power Connectors
-
-
2x 6-Pin
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Power Connectors
-
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2x 8-Pin
-
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Slots Required
2.0
PCIe Version
3.0
PCIe Lanes
16
Slots Required
2.0
PCIe Version
3.0
PCIe Lanes
16
Multi GPU Support
Supported
Type
4-way SLI
Multi GPU Support
Supported
Type
2-way CrossFireX
Height
111 mm (4.37 in)
Width
267 mm (10.51 in)
Depth
40 mm (1.57 in)
Height
115 mm (4.53 in)
Width
304 mm (11.97 in)
Depth
38 mm (1.5 in)
Change Results