Radeon X1650 GT vs GeForce GT 640
We compared two Desktop platform GPUs: 128MB VRAM Radeon X1650 GT and 2GB VRAM GeForce GT 640 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce GT 640 's Advantages
Released 5 years and 1 months late
More VRAM (2GB vs 128GB)
Larger VRAM bandwidth (28.51GB/s vs 12.80GB/s)
384 additional rendering cores
Score
Graphics Card
May 2007
Release Date
Jun 2012
Radeon R500 PCIe
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 1.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
400 MHz
Memory Clock
891 MHz
Memory
128MB
Memory Size
2GB
GDDR3
Memory Type
DDR3
128bit
Memory Bus
128bit
12.80GB/s
Bandwidth
28.51GB/s
Render Config
-
Shading Units
384
8
TMUs
32
8
ROPs
16
-
L1 Cache
16 KB (per SMX)
-
L2 Cache
256 KB
Theoretical Performance
3.200 GPixel/s
Pixel Rate
7.216 GPixel/s
3.200 GTexel/s
Texture Rate
28.86 GTexel/s
-
FP32 (float)
692.7 GFLOPS
-
FP64 (double)
28.86 GFLOPS
Board Design
Unknown
TDP
65W
200 W
Suggested PSU
250 W
1x DVI
1x VGA
1x S-Video
Outputs
1x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
None
Power Connectors
None
Graphics Processor
RV560
GPU Name
GK107
RV560 GT
GPU Variant
GK107-300-A2
Ultra-Threaded SE
Architecture
Kepler
TSMC
Foundry
TSMC
80 nm
Process Size
28 nm
0.312 billion
Transistors
1.27 billion
230 mm²
Die Size
118 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
