ATI Radeon HD 2900 XTX vs NVIDIA GeForce 9400 GT

VS

ATI Radeon HD 2900 XTX

NVIDIA GeForce 9400 GT

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 2900 XTX and 128MB VRAM GeForce 9400 GT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 2900 XTX 's Advantages

More VRAM (512GB vs 128GB)

Larger VRAM bandwidth (106.0GB/s vs 9.600GB/s)

304 additional rendering cores

NVIDIA GeForce 9400 GT 's Advantages

Lower TDP (50W vs 240W)

Score

Benchmark

FP32 (float)

Radeon HD 2900 XTX +1541%

0.476 TFLOPS

GeForce 9400 GT

0.029 TFLOPS

Radeon HD 2900 XTX

VS

GeForce 9400 GT

Graphics Card

Unknown

Release Date

Aug 2008

Radeon R600

Generation

GeForce 9

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

828 MHz

Memory Clock

600 MHz

Memory

512MB

Memory Size

128MB

GDDR3

Memory Type

DDR2

512bit

Memory Bus

64bit

106.0GB/s

Bandwidth

9.600GB/s

Render Config

4

Compute Units

-

SM Count

2

320

Shading Units

16

TMUs

8

16

ROPs

4

-

256 KB

L2 Cache

16 KB

-

Theoretical Performance

11.89 GPixel/s

Pixel Rate

1.836 GPixel/s

11.89 GTexel/s

Texture Rate

3.672 GTexel/s

-

475.5 GFLOPS

FP32 (float)

29.38 GFLOPS

-

Board Design

240W

TDP

50W

550 W

Suggested PSU

250 W

2x DVI 1x S-Video

Outputs

1x DVI 1x VGA 1x S-Video

2x 6-pin

Power Connectors

None

Graphics Processor

R600

GPU Name

G86

R600 XTX A11 (215RGMDKA11FG)

GPU Variant

-

TeraScale

Architecture

Tesla

TSMC

Foundry

TSMC

80 nm

Process Size

80 nm

0.72 billion

Transistors

0.21 billion

420 mm²

Die Size

127 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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