ATI Radeon HD 2900 PRO vs NVIDIA GeForce 8400 GS PCI

VS

ATI Radeon HD 2900 PRO

NVIDIA GeForce 8400 GS PCI

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 2900 PRO and 512MB VRAM GeForce 8400 GS PCI to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 2900 PRO 's Advantages

Larger VRAM bandwidth (51.20GB/s vs 5.328GB/s)

312 additional rendering cores

NVIDIA GeForce 8400 GS PCI 's Advantages

Lower TDP (25W vs 200W)

Score

Benchmark

FP32 (float)

Radeon HD 2900 PRO +1645%

0.384 TFLOPS

GeForce 8400 GS PCI

0.022 TFLOPS

Radeon HD 2900 PRO

VS

GeForce 8400 GS PCI

Graphics Card

Dec 2007

Release Date

Dec 2007

Radeon R600

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCI

Clock Speeds

-

800 MHz

Memory Clock

333 MHz

Memory

512MB

Memory Size

512MB

GDDR3

Memory Type

DDR2

256bit

Memory Bus

64bit

51.20GB/s

Bandwidth

5.328GB/s

Render Config

4

Compute Units

-

SM Count

1

320

Shading Units

8

16

TMUs

4

16

ROPs

4

-

128 KB

L2 Cache

16 KB

-

Theoretical Performance

9.600 GPixel/s

Pixel Rate

2.268 GPixel/s

9.600 GTexel/s

Texture Rate

2.268 GTexel/s

-

384.0 GFLOPS

FP32 (float)

22.40 GFLOPS

-

Board Design

200W

TDP

25W

550 W

Suggested PSU

200 W

2x DVI 1x S-Video

Outputs

1x S-Video 1x DMS-59

1x 8-pin

Power Connectors

None

Graphics Processor

R600

GPU Name

G98

R600 PRO (215RGMDKA13FG)

GPU Variant

G98-400-U2

TeraScale

Architecture

Tesla

TSMC

Foundry

TSMC

80 nm

Process Size

65 nm

0.72 billion

Transistors

0.21 billion

420 mm²

Die Size

86 mm²

Graphics Features

10.0 (10_0)

DirectX

11.1 (10_0)

3.3 (full) 4.0 (partial)

OpenGL

3.3

N/A

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

1.1

4.0

Shader Model

4.0

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