Radeon HD 7950 Mac vs GeForce GTX 960

Radeon HD 7950 Mac
GeForce GTX 960
2048 Shaders
3GB GDDR5
800MHz
1024 Shaders
2GB GDDR5
1178MHz
FP32
3.28 TFLOPS
FP32
2.41 TFLOPS
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-
-
-
Form Factor
PCIe Card
2.0-Slots
Form Factor
PCIe Card
2.0-Slots
TDP
200W
TDP
120W
Power Connectors
2x 6-Pin
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-
-
Power Connectors
1x 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
NVIDIA
Chip Designer
AMD
Chip Designer
NVIDIA
Architecture
GCN 1
Architecture
Maxwell 2
Family
Radeon HD 7000
Family
GeForce 900
Codename
Tahiti
-
Variant
Tahiti Pro
Codename
NV126
GM206
Variant
GM206-300
Market Segment
Desktop
Market Segment
Desktop
Release Date
3/7/2013
Release Date
1/22/2015
Foundry
TSMC
-
Foundry
TSMC
-
Fabrication Node
28nm
-
Fabrication Node
28nm
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Die Size
352 mm²
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Die Size
227 mm²
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Transistor Count
4.3 Billion
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Transistor Count
2.9 Billion
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Transistor Density
12.25M/mm²
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Transistor Density
12.95M/mm²
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Form
PCIe Card
Form
PCIe Card
Shading Units
2048 Shaders
-
Shading Units
1024 Shaders
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Texture Mapping Units
112 TMUs
Texture Mapping Units
64 TMUs
Render Output Units
32 ROPs
Render Output Units
32 ROPs
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Streaming Multiprocessors
8 SMs
Compute Units
32 CUs
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800MHz
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1127MHz Base
1178MHz
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FP32
3.28 TFLOPS
FP32
2.41 TFLOPS
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-
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-
FP64
0.82 TFLOPS
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FP64
0.08 TFLOPS
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Pixel Fillrate
25.6 GPixel/s
Pixel Fillrate
37.696 GPixel/s
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Texture Fillrate
89.6 GTexel/s
Texture Fillrate
75.392 GTexel/s
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L1
-
-
16KB/CU
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L1
-
48KB/SM
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-
L2
768KB Shared
L2
1MB Shared
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-
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3GB
GDDR5
-
2GB
GDDR5
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Bus Width
384Bit
Bus Width
128Bit
Clock
1250MHz
Transfer Rate
5GT/s
Bandwidth
240GB/s
Clock
1750MHz
Transfer Rate
7GT/s
Bandwidth
112GB/s
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TDP
200W
TDP
120W
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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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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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-
-
Max Resolution
4096x2160
Max Resolution
4096x2304
Max Resolution Refresh Rate
60Hz
Max Resolution Refresh Rate
60Hz
Variable Refresh Rate
-
-
-
Variable Refresh Rate
G-Sync
FreeSync
-
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
VCE 1.0
Model
NVENC 3
Codec
-
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AVC (H.264)
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Codec
-
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AVC (H.264)
HEVC (H.265)
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-
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Model
UVD 3.2
Model
NVDEC 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
VP8
VP9
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AVC (H.264)
HEVC (H.265)
-
-
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-
Direct X
12
Direct 3D
11_1
Direct X
12
Direct 3D
12_1
OpenGL
4.6
OpenCL
2.1
Vulkan
1.2
OpenGL
4.6
OpenCL
3.0
Vulkan
1.3
Shader Model
6.5
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-
GFX
6
-
-
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Shader Model
6.7
CUDA
5.2
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PureVideo HD
VP7
VDPAU
Feature Set F
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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
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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 SLI
Height
111 mm (4.37 in)
Width
279 mm (10.98 in)
Depth
38 mm (1.5 in)
Height
111 mm (4.37 in)
Width
241 mm (9.49 in)
Depth
38 mm (1.5 in)
Change Results