AMD Radeon HD 6850 X2 vs AMD Radeon RX 560DX

VS

AMD Radeon HD 6850 X2 AMD Radeon RX 560DX

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6850 X2 and 4GB VRAM Radeon RX 560DX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6850 X2 's Advantages

Larger VRAM bandwidth (134.4GB/s vs 96.00GB/s)

64 additional rendering cores

AMD Radeon RX 560DX 's Advantages

Released 6 years and 7 months late

Boost Clock1175MHz

More VRAM (4GB vs 2GB)

Lower TDP (65W vs 254W)

Score

Benchmark

FP32 (float)

Radeon HD 6850 X2

1.536 TFLOPS

Radeon RX 560DX +37%

2.106 TFLOPS

Radeon HD 6850 X2

VS

Radeon RX 560DX

Graphics Card

Sep 2011

Release Date

Apr 2018

Northern Islands

Generation

Polaris

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1090 MHz

-

Boost Clock

1175 MHz

1050 MHz

Memory Clock

1500 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

134.4GB/s

Bandwidth

96.00GB/s

Render Config

-

SM Count

-

12

Compute Units

14

960

Shading Units

896

48

TMUs

56

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

1024 KB

Theoretical Performance

25.60 GPixel/s

Pixel Rate

18.80 GPixel/s

38.40 GTexel/s

Texture Rate

65.80 GTexel/s

-

FP16 (half)

2.106 TFLOPS

1.536 TFLOPS

FP32 (float)

2.106 TFLOPS

-

FP64 (double)

131.6 GFLOPS

Graphics Processor

Barts

GPU Name

Polaris 21

Barts PRO (215-0798006)

GPU Variant

Polaris 21 XL

TeraScale 2

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

40 nm

Process Size

14 nm

1.7 billion

Transistors

3 billion

255 mm²

Die Size

123 mm²

Board Design

254W

TDP

65W

600 W

Suggested PSU

250 W

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

Outputs

1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a

2x 8-pin

Power Connectors

None

Graphics Features

11.2 (11_0)

DirectX

12 (12_0)

4.4

OpenGL

4.6

1.2

OpenCL

2.1

N/A

Vulkan

1.2

-

CUDA

-

5.0

Shader Model

6.4

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