AMD Radeon HD 8970 vs AMD Radeon HD 7950 Boost

AMD Radeon HD 8970
AMD Radeon HD 7950 Boost $330
2048 Shaders
3GB GDDR5
1050MHz
2048 Shaders
3GB GDDR5
925MHz
Peak AI Performance
4.3 TFLOPS
FP32
Peak AI Performance
3.79 TFLOPS
FP32
FP32
4.3 TFLOPS
FP32
3.79 TFLOPS
Form Factor
PCIe Card
2.0-Slots
Form Factor
PCIe Card
2.0-Slots
TDP
250W
TDP
225W
Power Connectors
1x 6-Pin
1x 8-Pin
Power Connectors
2x 6-Pin
-

Peak AI Performance

  • 13% faster vs Radeon HD 7950 Boost
  • 12% slower vs Radeon HD 8970
Radeon HD 8970 - 4.3 TFLOPS FP32
x1.13
Radeon HD 7950 Boost - 3.79 TFLOPS FP32
x1

FP32

  • 13% faster vs Radeon HD 7950 Boost
  • 12% slower vs Radeon HD 8970
Radeon HD 8970 - 4.3 TFLOPS FP32
x1.13
Radeon HD 7950 Boost - 3.79 TFLOPS FP32
x1
  • 20% faster vs Radeon HD 7950 Boost
  • 17% slower vs Radeon HD 8970
Radeon HD 8970 - 288GB/s
x1.2
Radeon HD 7950 Boost - 240GB/s
x1
  • 11% higher vs Radeon HD 7950 Boost
  • 10% lower vs Radeon HD 8970
Radeon HD 8970 - 250W
x1.11
Radeon HD 7950 Boost - 225W
x1
GB6 OpenCL N/A
0%
Manufacturer
AMD
Manufacturer
AMD
Chip Designer
AMD
Chip Designer
AMD
Architecture
GCN 1
Architecture
GCN 1
Family
Radeon HD 8000
Family
Radeon HD 7000
Codename
Tahiti
Variant
Tahiti XT2
Codename
Tahiti
Variant
Tahiti PRO2
Market Segment
Desktop
Market Segment
Desktop
Release Date
1/8/2013
Release Date
6/22/2012
Foundry
TSMC
Foundry
TSMC
Fabrication Node
28nm
Fabrication Node
28nm
Die Size
352 mm²
Die Size
352 mm²
Transistor Count
4.3 Billion
Transistor Count
4.3 Billion
Transistor Density
12.25M/mm²
Transistor Density
12.25M/mm²
Form
PCIe Card
Form
PCIe Card
Shading Units
2048 Shaders
Shading Units
2048 Shaders
Texture Mapping Units
128 TMUs
Texture Mapping Units
112 TMUs
Render Output Units
32 ROPs
Render Output Units
32 ROPs
Compute Units
32 CUs
Compute Units
32 CUs
1000MHz Base
1050MHz
850MHz Base
925MHz
Peak AI Performance
4.3 TFLOPS
FP32
Peak AI Performance
3.79 TFLOPS
FP32
FP32
4.3 TFLOPS
FP32
3.79 TFLOPS
FP64
1.08 TFLOPS
FP64
950 GFLOPS
Pixel Fillrate
33.6 GPixel/s
Pixel Fillrate
29.6 GPixel/s
Texture Fillrate
134.4 GTexel/s
Texture Fillrate
103.6 GTexel/s
L1
16KB/CU
L1
16KB/CU
L2
768KB Shared
L2
768KB Shared
3GB
GDDR5
3GB
GDDR5
Bus Width
384Bit
Bus Width
384Bit
Clock
1500MHz
Transfer Rate
6GT/s
Bandwidth
288GB/s
Clock
1250MHz
Transfer Rate
5GT/s
Bandwidth
240GB/s
TDP
250W
TDP
225W
1x DVI-I Dual-Link
2x mini-DisplayPort 1.2
1x HDMI 1.4
1x DVI-I Dual-Link
2x mini-DisplayPort 1.2
1x HDMI 1.4
Max Resolution
4096x2160
Max Resolution
4096x2160
Max Resolution Refresh Rate
60Hz
Max Resolution Refresh Rate
60Hz
Display Stream Compression (DSC)
Not Supported
Display Stream Compression (DSC)
Not Supported
Multi Monitor Support
3
Multi Monitor Support
3
Model
VCE 1.0
Model
VCE 1.0
Codec
AVC (H.264)
Codec
AVC (H.264)
Model
UVD 3.2
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_1
Direct X
12
Direct 3D
11_1
OpenGL
4.6
OpenCL
2.1
Vulkan
1.2
OpenGL
4.6
OpenCL
2.1
Vulkan
1.2
Shader Model
6.5
GFX
6
Shader Model
6.5
GFX
6
2x Fans
1x Fan
Power Connectors
1x 6-Pin
1x 8-Pin
Power Connectors
2x 6-Pin
-
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 CrossFireX
Multi GPU Support
Supported
Type
4-way CrossFireX
Height
111 mm (4.37 in)
Width
275 mm (10.83 in)
Depth
38 mm (1.5 in)
Height
111 mm (4.37 in)
Width
275 mm (10.83 in)
Depth
38 mm (1.5 in)
Change Comparison