Radeon HD 8950 vs Radeon HD 7870 XT

Radeon HD 8950
Radeon HD 7870 XT
1792 Shaders
3GB GDDR5
925MHz
1536 Shaders
2GB GDDR5
975MHz
FP32
3.32 TFLOPS
FP32
3 TFLOPS
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-
-
-
Form Factor
PCIe Card
2.0-Slots
Form Factor
PCIe Card
2.0-Slots
TDP
225W
TDP
185W
Power Connectors
1x 6-Pin
1x 8-Pin
-
-
Power Connectors
2x 6-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
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 Pro
Codename
Tahiti
-
Variant
Tahiti LE
Market Segment
Desktop
Market Segment
Desktop
Release Date
1/8/2013
Release Date
11/19/2012
Foundry
TSMC
-
Foundry
TSMC
-
Fabrication Node
28nm
-
Fabrication Node
28nm
-
Die Size
352 mm²
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Die Size
352 mm²
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Transistor Count
4.3 Billion
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Transistor Count
4.3 Billion
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Transistor Density
12.25M/mm²
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Transistor Density
12.25M/mm²
-
Form
PCIe Card
Form
PCIe Card
Shading Units
1792 Shaders
-
Shading Units
1536 Shaders
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Texture Mapping Units
112 TMUs
Texture Mapping Units
96 TMUs
Render Output Units
32 ROPs
Render Output Units
32 ROPs
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-
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Compute Units
28 CUs
Compute Units
24 CUs
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850MHz Base
925MHz
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925MHz Base
975MHz
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-
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-
FP32
3.32 TFLOPS
FP32
3 TFLOPS
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-
-
-
FP64
0.83 TFLOPS
-
FP64
0.75 TFLOPS
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-
Pixel Fillrate
29.6 GPixel/s
Pixel Fillrate
31.2 GPixel/s
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-
-
-
Texture Fillrate
103.6 GTexel/s
Texture Fillrate
93.6 GTexel/s
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-
-
-
L1
-
-
16KB/CU
-
L1
-
-
16KB/CU
-
L2
768KB Shared
L2
768KB Shared
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-
-
-
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-
3GB
GDDR5
-
2GB
GDDR5
-
Bus Width
384Bit
Bus Width
256Bit
Clock
1250MHz
Transfer Rate
5GT/s
Bandwidth
240GB/s
Clock
1500MHz
Transfer Rate
6GT/s
Bandwidth
192GB/s
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TDP
225W
TDP
185W
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1x DVI-I Dual-Link
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-
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2x mini-DisplayPort 1.2
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1x HDMI 1.4
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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
-
-
-
-
Max Resolution
4096x2160
Max Resolution
4096x2160
Max Resolution Refresh Rate
60Hz
Max Resolution Refresh Rate
60Hz
Variable Refresh Rate
-
-
-
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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-
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Model
VCE 1.0
Model
VCE 1.0
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
UVD 3.2
Model
UVD 4.0
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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-
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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
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-
GFX
6
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-
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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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1x 6-Pin
1x 8-Pin
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Power Connectors
-
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2x 6-Pin
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-
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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 CrossFireX
Multi GPU Support
Supported
Type
2-way CrossFireX
Height
111 mm (4.37 in)
Width
267 mm (10.51 in)
Depth
38 mm (1.5 in)
Height
111 mm (4.37 in)
Width
241 mm (9.49 in)
Depth
37 mm (1.46 in)
Change Results