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GPU Comparison
NVIDIA GeForce GT 640 vs ATI Radeon X1950 GT AGP
NVIDIA GeForce GT 640 vs ATI Radeon X1950 GT AGP
VS
NVIDIA GeForce GT 640
ATI Radeon X1950 GT AGP
We compared two Desktop platform GPUs: 2GB VRAM GeForce GT 640 and 256MB VRAM Radeon X1950 GT AGP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GT 640 's Advantages
Released 5 years and 4 months late
More VRAM (2GB vs 256GB)
384 additional rendering cores
ATI Radeon X1950 GT AGP 's Advantages
Larger VRAM bandwidth (38.40GB/s vs 28.51GB/s)
Lower TDP (57W vs 65W)
Score
GeForce GT 640
VS
Radeon X1950 GT AGP
Graphics Card
Jun 2012
Release Date
Feb 2007
GeForce 600
Generation
Radeon R500 AGP
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
AGP 8x
Clock Speeds
-
-
-
-
-
-
891 MHz
Memory Clock
600 MHz
Memory
2GB
Memory Size
256MB
DDR3
Memory Type
GDDR3
128bit
Memory Bus
256bit
28.51GB/s
Bandwidth
38.40GB/s
Render Config
-
-
-
-
-
-
384
Shading Units
-
32
TMUs
12
16
ROPs
12
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
-
256 KB
L2 Cache
-
-
-
-
Theoretical Performance
7.216 GPixel/s
Pixel Rate
6.000 GPixel/s
28.86 GTexel/s
Texture Rate
6.000 GTexel/s
-
-
-
692.7 GFLOPS
FP32 (float)
-
28.86 GFLOPS
FP64 (double)
-
Board Design
65W
TDP
57W
250 W
Suggested PSU
250 W
1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
2x DVI 1x S-Video
None
Power Connectors
2x Molex
Graphics Processor
GK107
GPU Name
RV570
GK107-300-A2
GPU Variant
RV570 XL
Kepler
Architecture
R500
TSMC
Foundry
TSMC
28 nm
Process Size
80 nm
1.27 billion
Transistors
0.33 billion
118 mm²
Die Size
230 mm²
Graphics Features
12 (11_0)
DirectX
9.0c (9_3)
4.6
OpenGL
2.1 (full) 3.0 (partial)
3.0
OpenCL
N/A
1.1
Vulkan
N/A
3.0
CUDA
-
5.1
Shader Model
3.0
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