AMD Radeon RX 570X vs AMD Radeon HD 6850 X2

VS

AMD Radeon RX 570X AMD Radeon HD 6850 X2

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 570X 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 RX 570X 's Advantages

Released 6 years and 7 months late

Boost Clock1244MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (224.0GB/s vs 134.4GB/s)

1088 additional rendering cores

Lower TDP (150W vs 254W)

Score

Benchmark

FP32 (float)

Radeon RX 570X +231%

5.095 TFLOPS

Radeon HD 6850 X2

1.536 TFLOPS

Radeon RX 570X

VS

Radeon HD 6850 X2

Graphics Card

Apr 2018

Release Date

Sep 2011

Polaris

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1168 MHz

Base Clock

-

1244 MHz

Boost Clock

-

1750 MHz

Memory Clock

1050 MHz

Memory

8GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

224.0GB/s

Bandwidth

134.4GB/s

Render Config

-

SM Count

-

32

Compute Units

12

2048

Shading Units

960

128

TMUs

48

32

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

2 MB

L2 Cache

512 KB

Theoretical Performance

39.81 GPixel/s

Pixel Rate

25.60 GPixel/s

159.2 GTexel/s

Texture Rate

38.40 GTexel/s

5.095 TFLOPS

FP16 (half)

-

5.095 TFLOPS

FP32 (float)

1.536 TFLOPS

318.5 GFLOPS

FP64 (double)

-

Graphics Processor

Polaris 20

GPU Name

Barts

Polaris 20 XL (215-0910052)

GPU Variant

Barts PRO (215-0798006)

GCN 4.0

Architecture

TeraScale 2

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

5.7 billion

Transistors

1.7 billion

232 mm²

Die Size

255 mm²

Board Design

150W

TDP

254W

450 W

Suggested PSU

600 W

1x DVI 1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

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

1x 6-pin

Power Connectors

2x 8-pin

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

Vulkan

N/A

-

CUDA

-

6.4

Shader Model

5.0

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