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GPU Comparison
NVIDIA GeForce GTX 660 Rev. 2 vs ATI Radeon X1650
NVIDIA GeForce GTX 660 Rev. 2 vs ATI Radeon X1650
VS
NVIDIA GeForce GTX 660 Rev. 2
ATI Radeon X1650
We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Rev. 2 and 256MB VRAM Radeon X1650 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GTX 660 Rev. 2 's Advantages
Released 6 years and 10 months late
Boost Clock1032MHz
Larger VRAM bandwidth (144.2GB/s vs 6.400GB/s)
960 additional rendering cores
Score
GeForce GTX 660 Rev. 2
VS
Radeon X1650
Graphics Card
Sep 2014
Release Date
Nov 2007
GeForce 600
Generation
Radeon R500 PCIe
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 1.0 x16
Clock Speeds
980 MHz
Base Clock
-
1032 MHz
Boost Clock
-
1502 MHz
Memory Clock
400 MHz
Memory
2GB
Memory Size
256MB
GDDR5
Memory Type
DDR2
192bit
Memory Bus
64bit
144.2GB/s
Bandwidth
6.400GB/s
Render Config
-
SM Count
-
-
Compute Units
-
960
Shading Units
-
80
TMUs
4
24
ROPs
4
-
Tensor Cores
-
-
RT Cores
-
16 KB (per SMX)
L1 Cache
-
384 KB
L2 Cache
-
Theoretical Performance
20.64 GPixel/s
Pixel Rate
2.540 GPixel/s
82.56 GTexel/s
Texture Rate
2.540 GTexel/s
-
FP16 (half)
-
1.981 TFLOPS
FP32 (float)
-
82.56 GFLOPS
FP64 (double)
-
Graphics Processor
GK104
GPU Name
RV516
-
GPU Variant
-
Kepler
Architecture
Ultra-Threaded SE
TSMC
Foundry
UMC
28 nm
Process Size
90 nm
3.54 billion
Transistors
0.105 billion
294 mm²
Die Size
100 mm²
Board Design
140W
TDP
Unknown
300 W
Suggested PSU
200 W
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
1x DVI 1x VGA 1x S-Video
1x 6-pin
Power Connectors
None
Graphics Features
12 (11_0)
DirectX
9.0c (9_3)
4.6
OpenGL
2.1
3.0
OpenCL
N/A
1.1
Vulkan
N/A
3.0
CUDA
-
5.1
Shader Model
3.0
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