NVIDIA GeForce 9400 GT PCI vs ATI Radeon HD 2900 XTX

VS

NVIDIA GeForce 9400 GT PCI

ATI Radeon HD 2900 XTX

We compared two Desktop platform GPUs: 256MB VRAM GeForce 9400 GT PCI and 512MB VRAM Radeon HD 2900 XTX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 9400 GT PCI 's Advantages

Lower TDP (50W vs 240W)

ATI Radeon HD 2900 XTX 's Advantages

More VRAM (512GB vs 256GB)

Larger VRAM bandwidth (106.0GB/s vs 12.80GB/s)

304 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 9400 GT PCI

0.045 TFLOPS

Radeon HD 2900 XTX +957%

0.476 TFLOPS

GeForce 9400 GT PCI

VS

Radeon HD 2900 XTX

Graphics Card

Aug 2008

Release Date

Unknown

GeForce 9

Generation

Radeon R600

Desktop

Type

Desktop

PCI

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

400 MHz

Memory Clock

828 MHz

Memory

256MB

Memory Size

512MB

DDR2

Memory Type

GDDR3

128bit

Memory Bus

512bit

12.80GB/s

Bandwidth

106.0GB/s

Render Config

-

Compute Units

4

2

SM Count

-

16

Shading Units

320

8

TMUs

16

4

ROPs

16

-

32 KB

L2 Cache

256 KB

-

Theoretical Performance

2.200 GPixel/s

Pixel Rate

11.89 GPixel/s

4.400 GTexel/s

Texture Rate

11.89 GTexel/s

-

44.80 GFLOPS

FP32 (float)

475.5 GFLOPS

-

Board Design

50W

TDP

240W

250 W

Suggested PSU

550 W

1x DVI 1x VGA 1x S-Video

Outputs

2x DVI 1x S-Video

None

Power Connectors

2x 6-pin

Graphics Processor

G96C

GPU Name

R600

-

GPU Variant

R600 XTX A11 (215RGMDKA11FG)

Tesla

Architecture

TeraScale

TSMC

Foundry

TSMC

55 nm

Process Size

80 nm

0.314 billion

Transistors

0.72 billion

121 mm²

Die Size

420 mm²

Graphics Features

11.1 (10_0)

DirectX

10.0 (10_0)

3.3

OpenGL

3.3 (full) 4.0 (partial)

1.1

OpenCL

N/A

Vulkan

N/A

1.1

CUDA

-

4.0

Shader Model

4.0

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