ATI Radeon HD 2400 PRO vs NVIDIA GeForce GT 640 Rev. 2

VS

ATI Radeon HD 2400 PRO

NVIDIA GeForce GT 640 Rev. 2

We compared two Desktop platform GPUs: 256MB VRAM ATI Radeon HD 2400 PRO 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

ATI Radeon HD 2400 PRO 's Advantages

Lower TDP (20W vs 49W)

NVIDIA GeForce GT 640 Rev. 2 's Advantages

Released 5 years and 11 months late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (40.06GB/s vs 6.400GB/s)

344 additional rendering cores

Score

Benchmark

FP32 (float)

ATI Radeon HD 2400 PRO

0.042 TFLOPS

GeForce GT 640 Rev. 2 +1811%

0.803 TFLOPS

ATI Radeon HD 2400 PRO

VS

GeForce GT 640 Rev. 2

Graphics Card

Jun 2007

Release Date

May 2013

Radeon R600

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 2.0 x8

Clock Speeds

-

400 MHz

Memory Clock

1252 MHz

Memory

256MB

Memory Size

1024MB

DDR2

Memory Type

GDDR5

64bit

Memory Bus

64bit

6.400GB/s

Bandwidth

40.06GB/s

Render Config

2

Compute Units

-

40

Shading Units

384

4

TMUs

32

4

ROPs

8

-

L1 Cache

16 KB (per SMX)

32 KB

L2 Cache

512 KB

-

Theoretical Performance

2.100 GPixel/s

Pixel Rate

8.368 GPixel/s

2.100 GTexel/s

Texture Rate

33.47 GTexel/s

-

42.00 GFLOPS

FP32 (float)

803.3 GFLOPS

-

FP64 (double)

33.47 GFLOPS

Board Design

20W

TDP

49W

200 W

Suggested PSU

200 W

1x DVI 1x VGA 1x S-Video

Outputs

1x DVI 1x HDMI 1.4a 1x VGA

None

Power Connectors

None

Graphics Processor

RV610

GPU Name

GK208

RV610 LE (215LKCAKA14FG)

GPU Variant

GK208-400-A1

TeraScale

Architecture

Kepler 2.0

TSMC

Foundry

TSMC

65 nm

Process Size

28 nm

0.18 billion

Transistors

1.02 billion

85 mm²

Die Size

87 mm²

Graphics Features

10.0 (10_0)

DirectX

12 (11_0)

3.3

OpenGL

4.6

N/A

OpenCL

3.0

N/A

Vulkan

1.1

-

CUDA

3.5

4.0

Shader Model

5.1

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