FireGL V8650 vs GeForce GT 640 Rev. 2
We compared two Desktop platform GPUs: 2GB VRAM FireGL V8650 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
FireGL V8650 's Advantages
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (111.1GB/s vs 40.06GB/s)
GeForce GT 640 Rev. 2 's Advantages
Released 5 years and 9 months late
64 additional rendering cores
Score
Benchmark
FP32 (float)
FireGL V8650
440
GeForce GT 640 Rev. 2
+82%
803
Graphics Card
Aug 2007
Release Date
May 2013
FireGL
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 1.0 x16
Bus Interface
PCIe 2.0 x8
Clock Speeds
868 MHz
Memory Clock
1252 MHz
Memory
2GB
Memory Size
1024MB
GDDR4
Memory Type
GDDR5
512bit
Memory Bus
64bit
111.1GB/s
Bandwidth
40.06GB/s
Render Config
4
Compute Units
-
320
Shading Units
384
16
TMUs
32
16
ROPs
8
-
L1 Cache
16 KB (per SMX)
256 KB
L2 Cache
512 KB
Theoretical Performance
11.01 GPixel/s
Pixel Rate
8.368 GPixel/s
11.01 GTexel/s
Texture Rate
33.47 GTexel/s
440.3 GFLOPS
FP32 (float)
803.3 GFLOPS
-
FP64 (double)
33.47 GFLOPS
Board Design
Unknown
TDP
49W
200 W
Suggested PSU
200 W
2x DVI
1x S-Video
Outputs
1x DVI
1x HDMI 1.4a
1x VGA
1x 6-pin + 1x 8-pin
Power Connectors
None
Graphics Processor
R600
GPU Name
GK208
R600 V8650
(215RGIDKA13FG)
GPU Variant
GK208-400-A1
TeraScale
Architecture
Kepler 2.0
TSMC
Foundry
TSMC
80 nm
Process Size
28 nm
0.72 billion
Transistors
1.02 billion
420 mm²
Die Size
87 mm²
Graphics Features
10.0 (10_0)
DirectX
12 (11_0)
3.3 (full)
4.0 (partial)
OpenGL
4.6
N/A
OpenCL
3.0
N/A
Vulkan
1.1
-
CUDA
3.5
4.0
Shader Model
5.1
