Home GPU Comparison NVIDIA GeForce GT 640 OEM Rebrand vs ATI FireMV 2260 PCIe x1

NVIDIA GeForce GT 640 OEM Rebrand vs ATI FireMV 2260 PCIe x1

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GT 640 OEM Rebrand and 256MB VRAM FireMV 2260 PCIe x1 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 640 OEM Rebrand 's Advantages
Released 4 years and 3 months late
More VRAM (1536GB vs 256GB)
Larger VRAM bandwidth (38.40GB/s vs 8.000GB/s)
104 additional rendering cores
ATI FireMV 2260 PCIe x1 's Advantages
Lower TDP (15W vs 75W)

Score

Benchmark

FP32 (float)
GeForce GT 640 OEM Rebrand +937%
0.415 TFLOPS
FireMV 2260 PCIe x1
0.04 TFLOPS
VS

Graphics Card

Apr 2012
Release Date
Jan 2008
GeForce 600
Generation
FireMV Multi-View
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x1

Clock Speeds

-
-
-
-
-
-
800 MHz
Memory Clock
500 MHz

Memory

1536MB
Memory Size
256MB
DDR3
Memory Type
DDR2
192bit
Memory Bus
64bit
38.40GB/s
Bandwidth
8.000GB/s

Render Config

-
Compute Units
2
3
SM Count
-
144
Shading Units
40
24
TMUs
4
24
ROPs
4
-
-
-
-
-
-
64 KB (per SM)
L1 Cache
-
384 KB
L2 Cache
-
-
-
-

Theoretical Performance

4.320 GPixel/s
Pixel Rate
2.000 GPixel/s
17.28 GTexel/s
Texture Rate
2.000 GTexel/s
-
-
-
414.7 GFLOPS
FP32 (float)
40.00 GFLOPS
34.56 GFLOPS
FP64 (double)
-

Board Design

75W
TDP
15W
250 W
Suggested PSU
200 W
2x DVI 1x mini-HDMI 1.3a
Outputs
2x DisplayPort
None
Power Connectors
None

Graphics Processor

GF116
GPU Name
RV620
GF116-150-A1
GPU Variant
-
Fermi 2.0
Architecture
TeraScale
TSMC
Foundry
TSMC
40 nm
Process Size
55 nm
1.17 billion
Transistors
0.181 billion
238 mm²
Die Size
67 mm²

Graphics Features

12 (11_0)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3
1.1
OpenCL
N/A
N/A
Vulkan
N/A
2.1
CUDA
-
5.1
Shader Model
4.1

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