ATI Radeon HD 2400 vs NVIDIA GeForce GTX 275

VS

ATI Radeon HD 2400

NVIDIA GeForce GTX 275

We compared two Desktop platform GPUs: 256MB VRAM ATI Radeon HD 2400 and 896MB VRAM GeForce GTX 275 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 2400 's Advantages

Lower TDP (20W vs 219W)

NVIDIA GeForce GTX 275 's Advantages

Released 11 months late

More VRAM (896GB vs 256GB)

Larger VRAM bandwidth (127.0GB/s vs 7.920GB/s)

200 additional rendering cores

Score

Benchmark

FP32 (float)

ATI Radeon HD 2400

0.032 TFLOPS

GeForce GTX 275 +2006%

0.674 TFLOPS

ATI Radeon HD 2400

VS

GeForce GTX 275

Graphics Card

Feb 2008

Release Date

Jan 2009

Radeon R600

Generation

GeForce 200

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

495 MHz

Memory Clock

1134 MHz

Memory

256MB

Memory Size

896MB

DDR2

Memory Type

GDDR3

64bit

Memory Bus

448bit

7.920GB/s

Bandwidth

127.0GB/s

Render Config

2

Compute Units

-

SM Count

30

40

Shading Units

240

4

TMUs

80

4

ROPs

28

-

32 KB

L2 Cache

224 KB

-

Theoretical Performance

1.592 GPixel/s

Pixel Rate

17.72 GPixel/s

1.592 GTexel/s

Texture Rate

50.64 GTexel/s

-

31.84 GFLOPS

FP32 (float)

673.9 GFLOPS

-

FP64 (double)

84.24 GFLOPS

Board Design

20W

TDP

219W

200 W

Suggested PSU

550 W

1x DVI 1x S-Video

Outputs

2x DVI

None

Power Connectors

2x 6-pin

Graphics Processor

RV610

GPU Name

GT200B

-

GPU Variant

G200-105-B3

TeraScale

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

65 nm

Process Size

55 nm

0.18 billion

Transistors

1.4 billion

85 mm²

Die Size

470 mm²

Graphics Features

10.0 (10_0)

DirectX

11.1 (10_0)

3.3

OpenGL

3.3

N/A

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

1.3

4.0

Shader Model

4.0

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