AMD Radeon HD 6850 X2 vs AMD Radeon HD 6510

VS

AMD Radeon HD 6850 X2

AMD Radeon HD 6510

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6850 X2 and 1024MB VRAM Radeon HD 6510 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6850 X2 's Advantages

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (134.4GB/s vs 16.00GB/s)

560 additional rendering cores

AMD Radeon HD 6510 's Advantages

Lower TDP (39W vs 254W)

Score

Benchmark

FP32 (float)

Radeon HD 6850 X2 +195%

1.536 TFLOPS

Radeon HD 6510

0.52 TFLOPS

Radeon HD 6850 X2

VS

Radeon HD 6510

Graphics Card

Sep 2011

Release Date

May 2011

Northern Islands

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1050 MHz

Memory Clock

500 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

128bit

134.4GB/s

Bandwidth

16.00GB/s

Render Config

12

Compute Units

5

-

960

Shading Units

400

48

TMUs

20

32

ROPs

8

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

25.60 GPixel/s

Pixel Rate

5.200 GPixel/s

38.40 GTexel/s

Texture Rate

13.00 GTexel/s

-

1.536 TFLOPS

FP32 (float)

520.0 GFLOPS

-

Board Design

254W

TDP

39W

600 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

2x 8-pin

Power Connectors

None

Graphics Processor

Barts

GPU Name

Redwood

Barts PRO (215-0798006)

GPU Variant

Redwood PRO (215-0757004)

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.7 billion

Transistors

0.627 billion

255 mm²

Die Size

104 mm²

Graphics Features

11.2 (11_0)

DirectX

11.2 (11_0)

4.4

OpenGL

4.4

1.2

OpenCL

1.2

N/A

Vulkan

N/A

-

5.0

Shader Model

5.0

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