AMD Radeon 540 vs AMD Radeon HD 6850 X2

VS

AMD Radeon 540

AMD Radeon HD 6850 X2

We compared two Desktop platform GPUs: 1024MB VRAM AMD Radeon 540 and 2GB VRAM Radeon HD 6850 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon 540 's Advantages

Released 5 years and 7 months late

Lower TDP (50W vs 254W)

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

Score

Benchmark

FP32 (float)

AMD Radeon 540

0.908 TFLOPS

Radeon HD 6850 X2 +69%

1.536 TFLOPS

AMD Radeon 540

VS

Radeon HD 6850 X2

Graphics Card

Apr 2017

Release Date

Sep 2011

Polaris

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1500 MHz

Memory Clock

1050 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

32bit

Memory Bus

256bit

24.00GB/s

Bandwidth

134.4GB/s

Render Config

6

Compute Units

12

-

384

Shading Units

960

24

TMUs

48

16

ROPs

32

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

18.93 GPixel/s

Pixel Rate

25.60 GPixel/s

28.39 GTexel/s

Texture Rate

38.40 GTexel/s

908.5 GFLOPS

FP16 (half)

-

908.5 GFLOPS

FP32 (float)

1.536 TFLOPS

56.78 GFLOPS

FP64 (double)

-

Board Design

50W

TDP

254W

250 W

Suggested PSU

600 W

2x DisplayPort 1.4a

Outputs

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

None

Power Connectors

2x 8-pin

Graphics Processor

Lexa

GPU Name

Barts

Lexa PRO (215-0904018)

GPU Variant

Barts PRO (215-0798006)

GCN 4.0

Architecture

TeraScale 2

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

2.2 billion

Transistors

1.7 billion

103 mm²

Die Size

255 mm²

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

1.3

Vulkan

N/A

-

6.7

Shader Model

5.0

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