AMD Radeon HD 6870 X2 vs ATI Radeon HD 4810

VS

AMD Radeon HD 6870 X2

ATI Radeon HD 4810

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6870 X2 and 512MB VRAM Radeon HD 4810 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6870 X2 's Advantages

Released 2 years and 2 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (134.4GB/s vs 57.60GB/s)

480 additional rendering cores

ATI Radeon HD 4810 's Advantages

Lower TDP (95W vs 300W)

Score

Benchmark

FP32 (float)

Radeon HD 6870 X2 +152%

2.016 TFLOPS

Radeon HD 4810

0.8 TFLOPS

Radeon HD 6870 X2

VS

Radeon HD 4810

Graphics Card

Jul 2011

Release Date

May 2009

Northern Islands

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1050 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

134.4GB/s

Bandwidth

57.60GB/s

Render Config

14

Compute Units

8

-

1120

Shading Units

640

56

TMUs

32

ROPs

8

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

128 KB

-

Theoretical Performance

28.80 GPixel/s

Pixel Rate

5.000 GPixel/s

50.40 GTexel/s

Texture Rate

20.00 GTexel/s

-

2.016 TFLOPS

FP32 (float)

800.0 GFLOPS

-

FP64 (double)

160.0 GFLOPS

Board Design

300W

TDP

95W

700 W

Suggested PSU

250 W

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

Outputs

2x DVI 1x S-Video

-

Power Connectors

1x 6-pin

Graphics Processor

Barts

GPU Name

RV770

Barts XT (215-0798000)

GPU Variant

RV770 CE (215-0669093)

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

1.7 billion

Transistors

0.956 billion

255 mm²

Die Size

256 mm²

Graphics Features

11.2 (11_0)

DirectX

10.1 (10_1)

4.4

OpenGL

3.3

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

5.0

Shader Model

4.1

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