NVIDIA GeForce GT 640 vs ATI FireMV 2400 PCIe x1

VS

NVIDIA GeForce GT 640

ATI FireMV 2400 PCIe x1

We compared two Desktop platform GPUs: 2GB VRAM GeForce GT 640 and 64MB VRAM FireMV 2400 PCIe x1 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 640 's Advantages

Released 4 years and 5 months late

More VRAM (2GB vs 64GB)

Larger VRAM bandwidth (28.51GB/s vs 6.496GB/s)

384 additional rendering cores

ATI FireMV 2400 PCIe x1 's Advantages

Lower TDP (20W vs 65W)

Score

GeForce GT 640

VS

FireMV 2400 PCIe x1

Graphics Card

Jun 2012

Release Date

Jan 2008

GeForce 600

Generation

FireMV Multi-View

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x1

Clock Speeds

-

891 MHz

Memory Clock

203 MHz

Memory

2GB

Memory Size

64MB

DDR3

Memory Type

DDR3

128bit

Memory Bus

128bit

28.51GB/s

Bandwidth

6.496GB/s

Render Config

-

384

Shading Units

-

32

TMUs

4

16

ROPs

4

-

16 KB (per SMX)

L1 Cache

-

256 KB

L2 Cache

-

Theoretical Performance

7.216 GPixel/s

Pixel Rate

1.000 GPixel/s

28.86 GTexel/s

Texture Rate

1.000 GTexel/s

-

692.7 GFLOPS

FP32 (float)

-

28.86 GFLOPS

FP64 (double)

-

Board Design

65W

TDP

20W

250 W

Suggested PSU

200 W

1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

Outputs

1x VHDCI

None

Power Connectors

None

Graphics Processor

GK107

GPU Name

RV380

GK107-300-A2

GPU Variant

-

Kepler

Architecture

Rage 9

TSMC

Foundry

TSMC

28 nm

Process Size

130 nm

1.27 billion

Transistors

0.075 billion

118 mm²

Die Size

92 mm²

Graphics Features

12 (11_0)

DirectX

9.0

4.6

OpenGL

2.0

3.0

OpenCL

N/A

1.1

Vulkan

N/A

3.0

CUDA

-

5.1

Shader Model

-

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