Radeon HD 7950 Mac vs GeForce GTX 770

Radeon HD 7950 Mac
GeForce GTX 770
2048 Shaders
3GB GDDR5
800MHz
1536 Shaders
2GB GDDR5
1130MHz
FP32
3.28 TFLOPS
FP32
3.47 TFLOPS
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-
-
-
Form Factor
PCIe Card
2.0-Slots
Form Factor
PCIe Card
2.0-Slots
TDP
200W
TDP
230W
Power Connectors
2x 6-Pin
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-
-
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
NVIDIA
Chip Designer
AMD
Chip Designer
NVIDIA
Architecture
GCN 1
Architecture
Kepler
Family
Radeon HD 7000
Family
GeForce 700
Codename
Tahiti
-
Variant
Tahiti Pro
Codename
NVE4
GK104
Variant
GK104-425-A2
Market Segment
Desktop
Market Segment
Desktop
Release Date
3/7/2013
Release Date
5/30/2013
Foundry
TSMC
-
Foundry
TSMC
-
Fabrication Node
28nm
-
Fabrication Node
28nm
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Die Size
352 mm²
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Die Size
294 mm²
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Transistor Count
4.3 Billion
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Transistor Count
3.5 Billion
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Transistor Density
12.25M/mm²
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Transistor Density
12.04M/mm²
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Form
PCIe Card
Form
PCIe Card
Shading Units
2048 Shaders
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Shading Units
1536 Shaders
-
Texture Mapping Units
112 TMUs
Texture Mapping Units
128 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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1046MHz Base
1130MHz
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FP32
3.28 TFLOPS
FP32
3.47 TFLOPS
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-
-
-
FP64
0.82 TFLOPS
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FP64
0.14 TFLOPS
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Pixel Fillrate
25.6 GPixel/s
Pixel Fillrate
36.16 GPixel/s
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-
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Texture Fillrate
89.6 GTexel/s
Texture Fillrate
144.64 GTexel/s
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-
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L1
-
-
16KB/CU
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L1
48KB/SM Tex
16KB/SM
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-
L2
768KB Shared
L2
512KB 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
1753MHz
Transfer Rate
7GT/s
Bandwidth
224.3GB/s
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TDP
200W
TDP
230W
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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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1x DVI-D Dual-Link
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1x DisplayPort 1.2
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1x HDMI 1.4
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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
2
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Model
VCE 1.0
Model
NVENC 1
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
NVDEC 1
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
11_1
Direct X
12
Direct 3D
11_0
OpenGL
4.6
OpenCL
2.1
Vulkan
1.2
OpenGL
4.6
OpenCL
3.0
Vulkan
1.2
Shader Model
6.5
-
-
GFX
6
-
-
-
-
Shader Model
6.5
CUDA
3.0
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-
PureVideo HD
VP5
VDPAU
Feature Set D
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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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2x 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
4-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
267 mm (10.51 in)
Depth
38 mm (1.5 in)
Change Results