ATI Radeon HD 2900 XTX vs NVIDIA GeForce GTX 560 Ti X2

VS

ATI Radeon HD 2900 XTX

NVIDIA GeForce GTX 560 Ti X2

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 2900 XTX and 1024MB VRAM GeForce GTX 560 Ti X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 560 Ti X2 's Advantages

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (128.3GB/s vs 106.0GB/s)

64 additional rendering cores

Lower TDP (170W vs 240W)

Score

Benchmark

FP32 (float)

Radeon HD 2900 XTX

0.476 TFLOPS

GeForce GTX 560 Ti X2 +174%

1.306 TFLOPS

Radeon HD 2900 XTX

VS

GeForce GTX 560 Ti X2

Graphics Card

Unknown

Release Date

Jan 2011

Radeon R600

Generation

GeForce 500

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

828 MHz

Memory Clock

1002 MHz

Memory

512MB

Memory Size

1024MB

GDDR3

Memory Type

GDDR5

512bit

Memory Bus

256bit

106.0GB/s

Bandwidth

128.3GB/s

Render Config

4

Compute Units

-

SM Count

8

320

Shading Units

384

16

TMUs

64

16

ROPs

32

-

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

11.89 GPixel/s

Pixel Rate

13.60 GPixel/s

11.89 GTexel/s

Texture Rate

54.40 GTexel/s

-

475.5 GFLOPS

FP32 (float)

1306 GFLOPS

-

FP64 (double)

108.8 GFLOPS

Board Design

240W

TDP

170W

550 W

Suggested PSU

450 W

2x DVI 1x S-Video

Outputs

3x DVI 1x mini-HDMI 1.3a

2x 6-pin

Power Connectors

2x 8-pin

Graphics Processor

R600

GPU Name

GF114

R600 XTX A11 (215RGMDKA11FG)

GPU Variant

GF114-400-A1

TeraScale

Architecture

Fermi 2.0

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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