ATI Radeon HD 2900 XTX vs NVIDIA GeForce GTX 460

VS

ATI Radeon HD 2900 XTX

NVIDIA GeForce GTX 460

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 2900 XTX and 768MB VRAM GeForce GTX 460 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 2900 XTX 's Advantages

Larger VRAM bandwidth (106.0GB/s vs 86.40GB/s)

NVIDIA GeForce GTX 460 's Advantages

More VRAM (768GB vs 512GB)

16 additional rendering cores

Lower TDP (160W vs 240W)

Score

Benchmark

FP32 (float)

Radeon HD 2900 XTX

0.476 TFLOPS

GeForce GTX 460 +90%

0.907 TFLOPS

Radeon HD 2900 XTX

VS

GeForce GTX 460

Graphics Card

Unknown

Release Date

Jul 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

900 MHz

Memory

512MB

Memory Size

768MB

GDDR3

Memory Type

GDDR5

512bit

Memory Bus

192bit

106.0GB/s

Bandwidth

86.40GB/s

Render Config

4

Compute Units

-

SM Count

7

320

Shading Units

336

16

TMUs

56

16

ROPs

24

-

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

384 KB

-

Theoretical Performance

11.89 GPixel/s

Pixel Rate

9.450 GPixel/s

11.89 GTexel/s

Texture Rate

37.80 GTexel/s

-

475.5 GFLOPS

FP32 (float)

907.2 GFLOPS

-

FP64 (double)

75.60 GFLOPS

Board Design

240W

TDP

160W

550 W

Suggested PSU

450 W

2x DVI 1x S-Video

Outputs

2x DVI 1x mini-HDMI 1.3a

2x 6-pin

Power Connectors

-

Graphics Processor

R600

GPU Name

GF104

R600 XTX A11 (215RGMDKA11FG)

GPU Variant

GF104-300-KB-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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