GeForce GTX 660 Ti vs GeForce GTS 450 OEM
We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Ti and 512MB VRAM GeForce GTS 450 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce GTX 660 Ti 's Advantages
Released 1 years and 11 months late
Boost Clock980MHz
More VRAM (2GB vs 512GB)
Larger VRAM bandwidth (144.2GB/s vs 57.73GB/s)
1200 additional rendering cores
GeForce GTS 450 OEM 's Advantages
Lower TDP (106W vs 150W)
Score
Benchmark
FP32 (float)
GeForce GTX 660 Ti
+484%
2634
GeForce GTS 450 OEM
451
Graphics Card
Aug 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
915 MHz
Base Clock
-
980 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
1344
Shading Units
144
112
TMUs
24
24
ROPs
16
16 KB (per SMX)
L1 Cache
64 KB (per SM)
384 KB
L2 Cache
256 KB
Theoretical Performance
27.44 GPixel/s
Pixel Rate
4.698 GPixel/s
109.8 GTexel/s
Texture Rate
18.79 GTexel/s
2.634 TFLOPS
FP32 (float)
451.0 GFLOPS
109.8 GFLOPS
FP64 (double)
37.58 GFLOPS
Board Design
150W
TDP
106W
450 W
Suggested PSU
300 W
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
Outputs
1x DVI
1x DisplayPort
1x VGA
2x 6-pin
Power Connectors
1x 6-pin
Graphics Processor
GK104
GPU Name
GF106
GK104-300-KD-A2
GPU Variant
-
Kepler
Architecture
Fermi
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
3.54 billion
Transistors
1.17 billion
294 mm²
Die Size
238 mm²
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
