NVIDIA GeForce GTS 450 vs NVIDIA GeForce GTX 660
We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTS 450 and 2GB VRAM GeForce GTX 660 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GTS 450 's Advantages
Lower TDP (106W vs 140W)
NVIDIA GeForce GTX 660 's Advantages
Released 2 years late
Boost Clock1032MHz
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (144.2GB/s vs 57.73GB/s)
768 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GTS 450
0.601 TFLOPS
GeForce GTX 660
+229%
1.981 TFLOPS
3DMark Time Spy
GeForce GTS 450
246
GeForce GTX 660
+385%
1194
3DMark Time Spy Extreme
GeForce GTS 450
107
GeForce GTX 660
+142%
260
Graphics Card
Sep 2010
Release Date
Sep 2012
GeForce 400
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
980 MHz
-
Boost Clock
1032 MHz
902 MHz
Memory Clock
1502 MHz
Memory
1024MB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
192bit
57.73GB/s
Bandwidth
144.2GB/s
Render Config
-
-
-
4
SM Count
-
192
Shading Units
960
32
TMUs
80
16
ROPs
24
-
-
-
-
-
-
64 KB (per SM)
L1 Cache
16 KB (per SMX)
256 KB
L2 Cache
384 KB
-
-
-
Theoretical Performance
6.264 GPixel/s
Pixel Rate
20.64 GPixel/s
25.06 GTexel/s
Texture Rate
82.56 GTexel/s
-
-
-
601.3 GFLOPS
FP32 (float)
1.981 TFLOPS
50.11 GFLOPS
FP64 (double)
82.56 GFLOPS
Board Design
106W
TDP
140W
300 W
Suggested PSU
300 W
2x DVI
1x mini-HDMI 1.3a
Outputs
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
1x 6-pin
Power Connectors
1x 6-pin
Graphics Processor
GF106
GPU Name
GK106
GF106-250-KA-A1
GPU Variant
GK106-400-A1
Fermi
Architecture
Kepler
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
1.17 billion
Transistors
2.54 billion
238 mm²
Die Size
221 mm²
Graphics Features
12 (11_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
1.1
OpenCL
3.0
N/A
Vulkan
1.1
2.1
CUDA
3.0
5.1
Shader Model
5.1
