ATI Radeon HD 2900 XT vs NVIDIA GeForce GTX 460 OEM

VS

ATI Radeon HD 2900 XT

NVIDIA GeForce GTX 460 OEM

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 2900 XT and 1024MB VRAM GeForce GTX 460 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 460 OEM 's Advantages

Released 3 years and 5 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (108.8GB/s vs 106.0GB/s)

16 additional rendering cores

Lower TDP (150W vs 215W)

Score

Benchmark

FP32 (float)

Radeon HD 2900 XT

0.476 TFLOPS

GeForce GTX 460 OEM +83%

0.874 TFLOPS

Radeon HD 2900 XT

VS

GeForce GTX 460 OEM

Graphics Card

May 2007

Release Date

Oct 2010

Radeon R600

Generation

GeForce 400

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

828 MHz

Memory Clock

850 MHz

Memory

512MB

Memory Size

1024MB

GDDR3

Memory Type

GDDR5

512bit

Memory Bus

256bit

106.0GB/s

Bandwidth

108.8GB/s

Render Config

4

Compute Units

-

SM Count

7

320

Shading Units

336

16

TMUs

56

16

ROPs

32

-

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

11.89 GPixel/s

Pixel Rate

9.100 GPixel/s

11.89 GTexel/s

Texture Rate

36.40 GTexel/s

-

475.5 GFLOPS

FP32 (float)

873.6 GFLOPS

-

FP64 (double)

72.80 GFLOPS

Board Design

215W

TDP

150W

550 W

Suggested PSU

450 W

2x DVI 1x S-Video

Outputs

2x DVI 1x mini-HDMI 1.3a

1x 6-pin + 1x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

R600

GPU Name

GF104

R600 XT (215RGMDKA13FG)

GPU Variant

GF104-325-A1

TeraScale

Architecture

Fermi

TSMC

Foundry

TSMC

80 nm

Process Size

40 nm

0.72 billion

Transistors

1.95 billion

420 mm²

Die Size

332 mm²

Graphics Features

10.0 (10_0)

DirectX

12 (11_0)

3.3 (full) 4.0 (partial)

OpenGL

4.6

N/A

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

2.1

4.0

Shader Model

5.1

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