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GPU Comparison
NVIDIA GeForce GTX 660 Rev. 2 vs ATI Radeon HD 5670 640SP Edition
NVIDIA GeForce GTX 660 Rev. 2 vs ATI Radeon HD 5670 640SP Edition
VS
NVIDIA GeForce GTX 660 Rev. 2
ATI Radeon HD 5670 640SP Edition
We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Rev. 2 and 512MB VRAM Radeon HD 5670 640SP Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GTX 660 Rev. 2 's Advantages
Released 4 years and 2 months late
Boost Clock1032MHz
Larger VRAM bandwidth (144.2GB/s vs 64.00GB/s)
320 additional rendering cores
ATI Radeon HD 5670 640SP Edition 's Advantages
Lower TDP (64W vs 140W)
Score
Benchmark
FP32 (float)
GeForce GTX 660 Rev. 2
+106%
1.981 TFLOPS
Radeon HD 5670 640SP Edition
0.96 TFLOPS
GeForce GTX 660 Rev. 2
VS
Radeon HD 5670 640SP Edition
Graphics Card
Sep 2014
Release Date
Jul 2010
GeForce 600
Generation
Evergreen
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
980 MHz
Base Clock
-
1032 MHz
Boost Clock
-
1502 MHz
Memory Clock
1000 MHz
Memory
2GB
Memory Size
512MB
GDDR5
Memory Type
GDDR5
192bit
Memory Bus
128bit
144.2GB/s
Bandwidth
64.00GB/s
Render Config
-
SM Count
-
-
Compute Units
8
960
Shading Units
640
80
TMUs
32
24
ROPs
8
-
Tensor Cores
-
-
RT Cores
-
16 KB (per SMX)
L1 Cache
8 KB (per CU)
384 KB
L2 Cache
256 KB
Theoretical Performance
20.64 GPixel/s
Pixel Rate
6.000 GPixel/s
82.56 GTexel/s
Texture Rate
24.00 GTexel/s
-
FP16 (half)
-
1.981 TFLOPS
FP32 (float)
960.0 GFLOPS
82.56 GFLOPS
FP64 (double)
-
Graphics Processor
GK104
GPU Name
Juniper
-
GPU Variant
Juniper CE
Kepler
Architecture
TeraScale 2
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
3.54 billion
Transistors
1.04 billion
294 mm²
Die Size
166 mm²
Board Design
140W
TDP
64W
300 W
Suggested PSU
250 W
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
1x DVI 1x HDMI 1.3a 1x DisplayPort 1.1
1x 6-pin
Power Connectors
None
Graphics Features
12 (11_0)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
3.0
OpenCL
1.2
1.1
Vulkan
N/A
3.0
CUDA
-
5.1
Shader Model
5.0
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