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GPU Comparison
NVIDIA GeForce GTX 660 vs NVIDIA GeForce GTS 450 OEM
NVIDIA GeForce GTX 660 vs NVIDIA GeForce GTS 450 OEM
VS
NVIDIA GeForce GTX 660
NVIDIA GeForce GTS 450 OEM
We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 and 512MB VRAM GeForce GTS 450 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GTX 660 's Advantages
Released 2 years late
Boost Clock1032MHz
Larger VRAM bandwidth (144.2GB/s vs 57.73GB/s)
816 additional rendering cores
NVIDIA GeForce GTS 450 OEM 's Advantages
Lower TDP (106W vs 140W)
Score
Benchmark
FP32 (float)
GeForce GTX 660
+339%
1.981 TFLOPS
GeForce GTS 450 OEM
0.451 TFLOPS
GeForce GTX 660
VS
GeForce GTS 450 OEM
Graphics Card
Sep 2012
Release Date
Sep 2010
GeForce 600
Generation
GeForce 400
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
902 MHz
Memory
2GB
Memory Size
512MB
GDDR5
Memory Type
GDDR5
192bit
Memory Bus
128bit
144.2GB/s
Bandwidth
57.73GB/s
Render Config
-
SM Count
3
-
Compute Units
-
960
Shading Units
144
80
TMUs
24
24
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
16 KB (per SMX)
L1 Cache
64 KB (per SM)
384 KB
L2 Cache
256 KB
Theoretical Performance
20.64 GPixel/s
Pixel Rate
4.698 GPixel/s
82.56 GTexel/s
Texture Rate
18.79 GTexel/s
-
FP16 (half)
-
1.981 TFLOPS
FP32 (float)
451.0 GFLOPS
82.56 GFLOPS
FP64 (double)
37.58 GFLOPS
Graphics Processor
GK106
GPU Name
GF106
GK106-400-A1
GPU Variant
-
Kepler
Architecture
Fermi
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
2.54 billion
Transistors
1.17 billion
221 mm²
Die Size
238 mm²
Board Design
140W
TDP
106W
300 W
Suggested PSU
300 W
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
1x DVI 1x DisplayPort 1x VGA
1x 6-pin
Power Connectors
1x 6-pin
Graphics Features
12 (11_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
1.1
1.1
Vulkan
N/A
3.0
CUDA
2.1
5.1
Shader Model
5.1
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