Radeon X1650 GT vs GeForce GTX 660 Rev. 2
We compared two Desktop platform GPUs: 128MB VRAM Radeon X1650 GT and 2GB VRAM GeForce GTX 660 Rev. 2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce GTX 660 Rev. 2 's Advantages
Released 7 years and 4 months late
Boost Clock1032MHz
More VRAM (2GB vs 128GB)
Larger VRAM bandwidth (144.2GB/s vs 12.80GB/s)
960 additional rendering cores
Score
Graphics Card
May 2007
Release Date
Sep 2014
Radeon R500 PCIe
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 1.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
980 MHz
-
Boost Clock
1032 MHz
400 MHz
Memory Clock
1502 MHz
Memory
128MB
Memory Size
2GB
GDDR3
Memory Type
GDDR5
128bit
Memory Bus
192bit
12.80GB/s
Bandwidth
144.2GB/s
Render Config
-
Shading Units
960
8
TMUs
80
8
ROPs
24
-
L1 Cache
16 KB (per SMX)
-
L2 Cache
384 KB
Theoretical Performance
3.200 GPixel/s
Pixel Rate
20.64 GPixel/s
3.200 GTexel/s
Texture Rate
82.56 GTexel/s
-
FP32 (float)
1.981 TFLOPS
-
FP64 (double)
82.56 GFLOPS
Board Design
Unknown
TDP
140W
200 W
Suggested PSU
300 W
1x DVI
1x VGA
1x S-Video
Outputs
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
None
Power Connectors
1x 6-pin
Graphics Processor
RV560
GPU Name
GK104
RV560 GT
GPU Variant
-
Ultra-Threaded SE
Architecture
Kepler
TSMC
Foundry
TSMC
80 nm
Process Size
28 nm
0.312 billion
Transistors
3.54 billion
230 mm²
Die Size
294 mm²
Graphics Features
9.0c (9_3)
DirectX
12 (11_0)
2.1
OpenGL
4.6
N/A
OpenCL
3.0
N/A
Vulkan
1.1
-
CUDA
3.0
3.0
Shader Model
5.1
