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GPU Comparison
NVIDIA GeForce GTX 660 Rev. 2 vs AMD Radeon R7 450 OEM
NVIDIA GeForce GTX 660 Rev. 2 vs AMD Radeon R7 450 OEM
VS
NVIDIA GeForce GTX 660 Rev. 2
AMD Radeon R7 450 OEM
We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Rev. 2 and 2GB VRAM Radeon R7 450 OEM 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
Boost Clock1032MHz
Larger VRAM bandwidth (144.2GB/s vs 72.00GB/s)
448 additional rendering cores
AMD Radeon R7 450 OEM 's Advantages
Released 1 years and 9 months late
Lower TDP (65W vs 140W)
Score
Benchmark
FP32 (float)
GeForce GTX 660 Rev. 2
+109%
1.981 TFLOPS
Radeon R7 450 OEM
0.947 TFLOPS
GeForce GTX 660 Rev. 2
VS
Radeon R7 450 OEM
Graphics Card
Sep 2014
Release Date
Jun 2016
GeForce 600
Generation
Arctic Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
980 MHz
Base Clock
-
1032 MHz
Boost Clock
-
1502 MHz
Memory Clock
1125 MHz
Memory
2GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
192bit
Memory Bus
128bit
144.2GB/s
Bandwidth
72.00GB/s
Render Config
-
SM Count
-
-
Compute Units
8
960
Shading Units
512
80
TMUs
32
24
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
16 KB (per SMX)
L1 Cache
16 KB (per CU)
384 KB
L2 Cache
256 KB
Theoretical Performance
20.64 GPixel/s
Pixel Rate
14.80 GPixel/s
82.56 GTexel/s
Texture Rate
29.60 GTexel/s
-
FP16 (half)
-
1.981 TFLOPS
FP32 (float)
947.2 GFLOPS
82.56 GFLOPS
FP64 (double)
59.20 GFLOPS
Graphics Processor
GK104
GPU Name
Cape Verde
-
GPU Variant
Cape Verde PRO2
Kepler
Architecture
GCN 1.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
3.54 billion
Transistors
1.5 billion
294 mm²
Die Size
123 mm²
Board Design
140W
TDP
65W
300 W
Suggested PSU
250 W
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
1x 6-pin
Power Connectors
None
Graphics Features
12 (11_0)
DirectX
12 (11_1)
4.6
OpenGL
4.6
3.0
OpenCL
2.1 (1.2)
1.1
Vulkan
1.2.170
3.0
CUDA
-
5.1
Shader Model
6.5 (5.1)
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