Home GPU Comparison NVIDIA GeForce GT 640 vs ATI FireGL V8600

NVIDIA GeForce GT 640 vs ATI FireGL V8600

We compared two Desktop platform GPUs: 2GB VRAM GeForce GT 640 and 1024MB VRAM FireGL V8600 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 1 months late
More VRAM (2GB vs 1024GB)
64 additional rendering cores
Lower TDP (65W vs 159W)
ATI FireGL V8600 's Advantages
Larger VRAM bandwidth (111.1GB/s vs 28.51GB/s)

Score

Benchmark

FP32 (float)
GeForce GT 640 +57%
0.693 TFLOPS
FireGL V8600
0.44 TFLOPS
VS

Graphics Card

Jun 2012
Release Date
May 2007
GeForce 600
Generation
FireGL
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 1.0 x16

Clock Speeds

-
-
-
-
-
-
891 MHz
Memory Clock
868 MHz

Memory

2GB
Memory Size
1024MB
DDR3
Memory Type
GDDR4
128bit
Memory Bus
512bit
28.51GB/s
Bandwidth
111.1GB/s

Render Config

-
Compute Units
4
-
-
-
384
Shading Units
320
32
TMUs
16
16
ROPs
16
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
-
256 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

7.216 GPixel/s
Pixel Rate
11.01 GPixel/s
28.86 GTexel/s
Texture Rate
11.01 GTexel/s
-
-
-
692.7 GFLOPS
FP32 (float)
440.3 GFLOPS
28.86 GFLOPS
FP64 (double)
-

Board Design

65W
TDP
159W
250 W
Suggested PSU
450 W
1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
1x DVI 1x DisplayPort 1x S-Video
None
Power Connectors
1x 6-pin + 1x 8-pin

Graphics Processor

GK107
GPU Name
R600
GK107-300-A2
GPU Variant
R600 V8600
Kepler
Architecture
TeraScale
TSMC
Foundry
TSMC
28 nm
Process Size
80 nm
1.27 billion
Transistors
0.72 billion
118 mm²
Die Size
420 mm²

Graphics Features

12 (11_0)
DirectX
10.0 (10_0)
4.6
OpenGL
3.3 (full) 4.0 (partial)
3.0
OpenCL
N/A
1.1
Vulkan
N/A
3.0
CUDA
-
5.1
Shader Model
4.0

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