GeForce GTX 970 vs Radeon HD 8950

GeForce GTX 970
Radeon HD 8950
1664 Shaders
4GB GDDR5
1178MHz
1792 Shaders
3GB GDDR5
925MHz
FP32
3.92 TFLOPS
FP32
3.32 TFLOPS
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-
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Form Factor
PCIe Card
2.0-Slots
Form Factor
PCIe Card
2.0-Slots
TDP
145W
TDP
225W
Power Connectors
2x 6-Pin
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-
-
Power Connectors
1x 6-Pin
1x 8-Pin
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-
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 8000
Codename
NV124
GM204
Variant
GM204-200
Codename
Tahiti
-
Variant
Tahiti Pro
Market Segment
Desktop
Market Segment
Desktop
Release Date
9/18/2014
Release Date
1/8/2013
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
398 mm²
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Die Size
352 mm²
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Transistor Count
5.2 Billion
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Transistor Count
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
1664 Shaders
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Shading Units
1792 Shaders
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Texture Mapping Units
104 TMUs
Texture Mapping Units
112 TMUs
Render Output Units
56 ROPs
Render Output Units
32 ROPs
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Streaming Multiprocessors
13 SMs
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Compute Units
28 CUs
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1050MHz Base
1178MHz
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850MHz Base
925MHz
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FP32
3.92 TFLOPS
FP32
3.32 TFLOPS
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FP64
0.12 TFLOPS
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FP64
0.83 TFLOPS
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Pixel Fillrate
65.968 GPixel/s
Pixel Fillrate
29.6 GPixel/s
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Texture Fillrate
122.512 GTexel/s
Texture Fillrate
103.6 GTexel/s
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L1
-
48KB/SM
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L1
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16KB/CU
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L2
1.8MB Shared
L2
768KB Shared
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4GB
GDDR5
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3GB
GDDR5
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Bus Width
256Bit
Bus Width
384Bit
Clock
1750MHz
Transfer Rate
7GT/s
Bandwidth
224GB/s
Clock
1250MHz
Transfer Rate
5GT/s
Bandwidth
240GB/s
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TDP
145W
TDP
225W
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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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2x mini-DisplayPort 1.2
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1x HDMI 1.4
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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
3
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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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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
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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1x Fan
Power Connectors
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2x 6-Pin
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Power Connectors
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1x 6-Pin
1x 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
4-way CrossFireX
Height
111 mm (4.37 in)
Width
267 mm (10.51 in)
Depth
40 mm (1.57 in)
Height
111 mm (4.37 in)
Width
267 mm (10.51 in)
Depth
38 mm (1.5 in)
Change Results