NVIDIA GeForce GT 640 Rev. 2 vs ATI FireMV 2260

VS

NVIDIA GeForce GT 640 Rev. 2 ATI FireMV 2260

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 640 Rev. 2 and 256MB VRAM FireMV 2260 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 4 months late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (40.06GB/s vs 8.000GB/s)

344 additional rendering cores

ATI FireMV 2260 's Advantages

Lower TDP (15W vs 49W)

Score

Benchmark

FP32 (float)

GeForce GT 640 Rev. 2 +1907%

0.803 TFLOPS

FireMV 2260

0.04 TFLOPS

GeForce GT 640 Rev. 2

VS

FireMV 2260

Graphics Card

May 2013

Release Date

Jan 2008

GeForce 600

Generation

FireMV Multi-View

Desktop

Type

Desktop

PCIe 2.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1252 MHz

Memory Clock

500 MHz

Memory

1024MB

Memory Size

256MB

GDDR5

Memory Type

DDR2

64bit

Memory Bus

64bit

40.06GB/s

Bandwidth

8.000GB/s

Render Config

-

SM Count

-

Compute Units

2

384

Shading Units

40

32

TMUs

4

8

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

-

512 KB

L2 Cache

-

Theoretical Performance

8.368 GPixel/s

Pixel Rate

2.000 GPixel/s

33.47 GTexel/s

Texture Rate

2.000 GTexel/s

-

FP16 (half)

-

803.3 GFLOPS

FP32 (float)

40.00 GFLOPS

33.47 GFLOPS

FP64 (double)

-

Graphics Processor

GK208

GPU Name

RV620

GK208-400-A1

GPU Variant

-

Kepler 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

1.02 billion

Transistors

0.181 billion

87 mm²

Die Size

67 mm²

Board Design

49W

TDP

15W

200 W

Suggested PSU

200 W

1x DVI 1x HDMI 1.4a 1x VGA

Outputs

4x mini-DisplayPort

None

Power Connectors

None

Graphics Features

12 (11_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

3.0

OpenCL

N/A

1.1

Vulkan

N/A

3.5

CUDA

-

5.1

Shader Model

4.1

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