GeForce GTX 660 Ti vs GeForce GTX 550 Ti
We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Ti and 1024MB VRAM GeForce GTX 550 Ti 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 5 months late
Boost Clock980MHz
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (144.2GB/s vs 98.50GB/s)
1152 additional rendering cores
GeForce GTX 550 Ti 's Advantages
Lower TDP (116W vs 150W)
Score
Benchmark
FP32 (float)
GeForce GTX 660 Ti
+281%
2634
GeForce GTX 550 Ti
691
Graphics Card
Aug 2012
Release Date
Mar 2011
GeForce 600
Generation
GeForce 500
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
1026 MHz
Memory
2GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
192bit
Memory Bus
192bit
144.2GB/s
Bandwidth
98.50GB/s
Render Config
-
SM Count
4
1344
Shading Units
192
112
TMUs
32
24
ROPs
24
16 KB (per SMX)
L1 Cache
64 KB (per SM)
384 KB
L2 Cache
384 KB
Theoretical Performance
27.44 GPixel/s
Pixel Rate
7.200 GPixel/s
109.8 GTexel/s
Texture Rate
28.80 GTexel/s
2.634 TFLOPS
FP32 (float)
691.2 GFLOPS
109.8 GFLOPS
FP64 (double)
57.60 GFLOPS
Board Design
150W
TDP
116W
450 W
Suggested PSU
300 W
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
Outputs
2x DVI
1x mini-HDMI 1.3a
2x 6-pin
Power Connectors
1x 6-pin
Graphics Processor
GK104
GPU Name
GF116
GK104-300-KD-A2
GPU Variant
GF116-400-A1
Kepler
Architecture
Fermi 2.0
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
