AMD Radeon HD 7670 vs NVIDIA GeForce GT 645

AMD Radeon HD 7670
NVIDIA GeForce GT 645
480 Shaders
1GB GDDR5
800MHz
288 Shaders
1GB GDDR5
776MHz
FP32
0.77 TFLOPS
FP32
0.89 TFLOPS
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Form Factor
PCIe Card
1.0-Slots
Form Factor
PCIe Card
2.0-Slots
TDP
66W
TDP
140W
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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
TeraScale 2
Architecture
Fermi
Family
Radeon HD 7000
Family
GeForce 600
Codename
Turks
RV930
Variant
Turks XT
Codename
NVCE
GF114
Variant
GF114-400-A1
Market Segment
Desktop
Market Segment
Desktop
Release Date
1/5/2012
Release Date
4/24/2012
Foundry
TSMC
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Foundry
TSMC
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Fabrication Node
40nm
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Fabrication Node
40nm
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Die Size
118 mm²
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Die Size
332 mm²
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Transistor Count
716 Million
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Transistor Count
2 Billion
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Transistor Density
6.07M/mm²
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Transistor Density
5.87M/mm²
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Form
PCIe Card
Form
PCIe Card
Shading Units
480 Shaders
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Shading Units
288 Shaders
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Texture Mapping Units
24 TMUs
Texture Mapping Units
48 TMUs
Render Output Units
8 ROPs
Render Output Units
24 ROPs
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Streaming Multiprocessors
6 SMs
Compute Units
6 CUs
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800MHz
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1552MHz Shader
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776MHz
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FP32
0.77 TFLOPS
FP32
0.89 TFLOPS
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FP64
0.07 TFLOPS
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Pixel Fillrate
6.4 GPixel/s
Pixel Fillrate
18.624 GPixel/s
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Texture Fillrate
19.2 GTexel/s
Texture Fillrate
37.248 GTexel/s
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L1
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8KB/CU
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L1
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64KB/SM
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L2
256KB Shared
L2
512KB Shared
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1GB
GDDR5
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1GB
GDDR5
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Bus Width
128Bit
Bus Width
192Bit
Clock
1000MHz
Transfer Rate
4GT/s
Bandwidth
64GB/s
Clock
957MHz
Transfer Rate
3.8GT/s
Bandwidth
91.9GB/s
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TDP
66W
TDP
140W
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No Ports
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2x DVI-I Dual-Link
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1x mini-HDMI 1.3
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Max Resolution
2560x1600
Max Resolution
2560x1600
Max Resolution Refresh Rate
60Hz
Max Resolution Refresh Rate
60Hz
Variable Refresh Rate
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Variable Refresh Rate
-
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Display Stream Compression (DSC)
Not Supported
Display Stream Compression (DSC)
Not Supported
Multi Monitor Support
2
Multi Monitor Support
2
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No Encoders
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No Encoders
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Model
UVD 3.0
No Decoders
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
11
Direct 3D
11_0
Direct X
12
Direct 3D
11_0
OpenGL
4.5
OpenCL
1.2
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OpenGL
4.6
OpenCL
1.1
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Shader Model
5.0
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GFX
4
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Shader Model
5.1
CUDA
2.1
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PureVideo HD
VP4
VDPAU
Feature Set C
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1x Fan
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1x Fan
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Slots Required
1.0
PCIe Version
2.1
PCIe Lanes
16
Slots Required
2.0
PCIe Version
2.0
PCIe Lanes
16
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Height
111 mm (4.37 in)
Width
210 mm (8.27 in)
Depth
38 mm (1.5 in)
Change Comparison