ATI FireGL V3600 vs NVIDIA GeForce GT 640 Rev. 2
We compared two Desktop platform GPUs: 256MB VRAM FireGL V3600 and 1024MB VRAM GeForce GT 640 Rev. 2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GT 640 Rev. 2 's Advantages
Released 5 years and 11 months late
More VRAM (1024GB vs 256GB)
Larger VRAM bandwidth (40.06GB/s vs 16.00GB/s)
264 additional rendering cores
Lower TDP (49W vs 73W)
Score
Benchmark
FP32 (float)
FireGL V3600
0.144 TFLOPS
GeForce GT 640 Rev. 2
+457%
0.803 TFLOPS
Graphics Card
Jun 2007
Release Date
May 2013
FireGL
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 1.0 x16
Bus Interface
PCIe 2.0 x8
Clock Speeds
-
-
-
-
-
-
500 MHz
Memory Clock
1252 MHz
Memory
256MB
Memory Size
1024MB
DDR2
Memory Type
GDDR5
128bit
Memory Bus
64bit
16.00GB/s
Bandwidth
40.06GB/s
Render Config
3
Compute Units
-
-
-
-
120
Shading Units
384
8
TMUs
32
4
ROPs
8
-
-
-
-
-
-
-
L1 Cache
16 KB (per SMX)
64 KB
L2 Cache
512 KB
-
-
-
Theoretical Performance
2.400 GPixel/s
Pixel Rate
8.368 GPixel/s
4.800 GTexel/s
Texture Rate
33.47 GTexel/s
-
-
-
144.0 GFLOPS
FP32 (float)
803.3 GFLOPS
-
FP64 (double)
33.47 GFLOPS
Board Design
73W
TDP
49W
250 W
Suggested PSU
200 W
No outputs
Outputs
1x DVI
1x HDMI 1.4a
1x VGA
None
Power Connectors
None
Graphics Processor
RV630
GPU Name
GK208
RV630 GL
GPU Variant
GK208-400-A1
TeraScale
Architecture
Kepler 2.0
TSMC
Foundry
TSMC
65 nm
Process Size
28 nm
0.39 billion
Transistors
1.02 billion
153 mm²
Die Size
87 mm²
Graphics Features
10.0 (10_0)
DirectX
12 (11_0)
3.3
OpenGL
4.6
N/A
OpenCL
3.0
N/A
Vulkan
1.1
-
CUDA
3.5
4.0
Shader Model
5.1
