AMD Radeon HD 6870 X2 vs NVIDIA GeForce GTX 560 Ti 448

VS

AMD Radeon HD 6870 X2

NVIDIA GeForce GTX 560 Ti 448

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6870 X2 and 1280MB VRAM GeForce GTX 560 Ti 448 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6870 X2 's Advantages

672 additional rendering cores

NVIDIA GeForce GTX 560 Ti 448 's Advantages

More VRAM (1280GB vs 1024GB)

Larger VRAM bandwidth (152.0GB/s vs 134.4GB/s)

Lower TDP (210W vs 300W)

Score

Benchmark

FP32 (float)

Radeon HD 6870 X2 +53%

2.016 TFLOPS

GeForce GTX 560 Ti 448

1.312 TFLOPS

Radeon HD 6870 X2

VS

GeForce GTX 560 Ti 448

Graphics Card

Jul 2011

Release Date

Nov 2011

Northern Islands

Generation

GeForce 500

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1050 MHz

Memory Clock

950 MHz

Memory

1024MB

Memory Size

1280MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

320bit

134.4GB/s

Bandwidth

152.0GB/s

Render Config

14

Compute Units

-

SM Count

14

1120

Shading Units

448

56

TMUs

56

32

ROPs

40

-

8 KB (per CU)

L1 Cache

64 KB (per SM)

512 KB

L2 Cache

640 KB

-

Theoretical Performance

28.80 GPixel/s

Pixel Rate

20.50 GPixel/s

50.40 GTexel/s

Texture Rate

40.99 GTexel/s

-

2.016 TFLOPS

FP32 (float)

1312 GFLOPS

-

FP64 (double)

164.0 GFLOPS

Board Design

300W

TDP

210W

700 W

Suggested PSU

550 W

2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1

Outputs

2x DVI 1x mini-HDMI 1.3a

-

Power Connectors

2x 6-pin

Graphics Processor

Barts

GPU Name

GF110

Barts XT (215-0798000)

GPU Variant

GF110-270-A1

TeraScale 2

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.7 billion

Transistors

3 billion

255 mm²

Die Size

520 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

2.0

5.0

Shader Model

5.1

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