NVIDIA GeForce GTX 660 Ti vs ATI Radeon X550 XT
We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Ti and 128MB VRAM Radeon X550 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GTX 660 Ti 's Advantages
Released 5 years and 7 months late
Boost Clock980MHz
More VRAM (2GB vs 128GB)
Larger VRAM bandwidth (144.2GB/s vs 9.600GB/s)
1344 additional rendering cores
Score
Graphics Card
Aug 2012
Release Date
Jan 2007
GeForce 600
Generation
Radeon R300
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 1.0 x16
Clock Speeds
915 MHz
Base Clock
-
980 MHz
Boost Clock
-
1502 MHz
Memory Clock
300 MHz
Memory
2GB
Memory Size
128MB
GDDR5
Memory Type
GDDR3
192bit
Memory Bus
128bit
144.2GB/s
Bandwidth
9.600GB/s
Render Config
-
-
-
-
-
-
1344
Shading Units
-
112
TMUs
4
24
ROPs
4
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
-
384 KB
L2 Cache
-
-
-
-
Theoretical Performance
27.44 GPixel/s
Pixel Rate
1.600 GPixel/s
109.8 GTexel/s
Texture Rate
1.600 GTexel/s
-
-
-
2.634 TFLOPS
FP32 (float)
-
109.8 GFLOPS
FP64 (double)
-
Board Design
150W
TDP
Unknown
450 W
Suggested PSU
200 W
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
Outputs
1x DVI
1x VGA
1x S-Video
2x 6-pin
Power Connectors
None
Graphics Processor
GK104
GPU Name
RV410
GK104-300-KD-A2
GPU Variant
-
Kepler
Architecture
R400
TSMC
Foundry
TSMC
28 nm
Process Size
110 nm
3.54 billion
Transistors
0.12 billion
294 mm²
Die Size
156 mm²
Graphics Features
12 (11_0)
DirectX
9.0b (9_2)
4.6
OpenGL
2.0
3.0
OpenCL
N/A
1.1
Vulkan
N/A
3.0
CUDA
-
5.1
Shader Model
-
