AMD Radeon HD 6850 X2 vs AMD Radeon 540

VS

AMD Radeon HD 6850 X2

AMD Radeon 540

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6850 X2 and 1024MB VRAM AMD Radeon 540 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 24.00GB/s)

576 additional rendering cores

AMD Radeon 540 's Advantages

Released 5 years and 7 months late

Lower TDP (50W vs 254W)

Score

Benchmark

FP32 (float)

Radeon HD 6850 X2 +69%

1.536 TFLOPS

AMD Radeon 540

0.908 TFLOPS

Radeon HD 6850 X2

VS

AMD Radeon 540

Graphics Card

Sep 2011

Release Date

Apr 2017

Northern Islands

Generation

Polaris

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

1050 MHz

Memory Clock

1500 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

32bit

134.4GB/s

Bandwidth

24.00GB/s

Render Config

12

Compute Units

6

-

960

Shading Units

384

48

TMUs

24

32

ROPs

16

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

25.60 GPixel/s

Pixel Rate

18.93 GPixel/s

38.40 GTexel/s

Texture Rate

28.39 GTexel/s

-

FP16 (half)

908.5 GFLOPS

1.536 TFLOPS

FP32 (float)

908.5 GFLOPS

-

FP64 (double)

56.78 GFLOPS

Board Design

254W

TDP

50W

600 W

Suggested PSU

250 W

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

Outputs

2x DisplayPort 1.4a

2x 8-pin

Power Connectors

None

Graphics Processor

Barts

GPU Name

Lexa

Barts PRO (215-0798006)

GPU Variant

Lexa PRO (215-0904018)

TeraScale 2

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

40 nm

Process Size

14 nm

1.7 billion

Transistors

2.2 billion

255 mm²

Die Size

103 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (12_0)

4.4

OpenGL

4.6

1.2

OpenCL

2.1

N/A

Vulkan

1.3

-

5.0

Shader Model

6.7

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