AMD Radeon HD 6870 vs NVIDIA GeForce GTX 560 Ti OEM

VS

AMD Radeon HD 6870

NVIDIA GeForce GTX 560 Ti OEM

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

Main Differences

AMD Radeon HD 6870 's Advantages

Larger VRAM bandwidth (134.4GB/s vs 128.3GB/s)

736 additional rendering cores

Lower TDP (151W vs 170W)

Score

Benchmark

FP32 (float)

Radeon HD 6870 +59%

2.016 TFLOPS

GeForce GTX 560 Ti OEM

1.263 TFLOPS

Radeon HD 6870

VS

GeForce GTX 560 Ti OEM

Graphics Card

Oct 2010

Release Date

Mar 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

1002 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

134.4GB/s

Bandwidth

128.3GB/s

Render Config

14

Compute Units

-

SM Count

8

1120

Shading Units

384

56

TMUs

64

32

ROPs

32

-

8 KB (per CU)

L1 Cache

64 KB (per SM)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

28.80 GPixel/s

Pixel Rate

13.17 GPixel/s

50.40 GTexel/s

Texture Rate

52.67 GTexel/s

-

2.016 TFLOPS

FP32 (float)

1263 GFLOPS

-

FP64 (double)

105.3 GFLOPS

Board Design

151W

TDP

170W

450 W

Suggested PSU

450 W

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

Outputs

2x DVI 1x mini-HDMI 1.3a

2x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

Barts

GPU Name

GF114

Barts XT (215-0798000)

GPU Variant

GF114-400-A1

TeraScale 2

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.7 billion

Transistors

1.95 billion

255 mm²

Die Size

332 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

2.1

5.0

Shader Model

5.1

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