AMD Radeon RX 570X vs AMD Radeon HD 6870 X2

VS

AMD Radeon RX 570X

AMD Radeon HD 6870 X2

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 570X and 1024MB VRAM Radeon HD 6870 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 9 months late

Boost Clock1244MHz

More VRAM (8GB vs 1024GB)

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

928 additional rendering cores

Lower TDP (150W vs 300W)

Score

Benchmark

FP32 (float)

Radeon RX 570X +152%

5.095 TFLOPS

Radeon HD 6870 X2

2.016 TFLOPS

Radeon RX 570X

VS

Radeon HD 6870 X2

Graphics Card

Apr 2018

Release Date

Jul 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

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

224.0GB/s

Bandwidth

134.4GB/s

Render Config

32

Compute Units

14

-

2048

Shading Units

1120

128

TMUs

56

32

ROPs

32

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

2 MB

L2 Cache

512 KB

-

Theoretical Performance

39.81 GPixel/s

Pixel Rate

28.80 GPixel/s

159.2 GTexel/s

Texture Rate

50.40 GTexel/s

5.095 TFLOPS

FP16 (half)

-

5.095 TFLOPS

FP32 (float)

2.016 TFLOPS

318.5 GFLOPS

FP64 (double)

-

Board Design

150W

TDP

300W

450 W

Suggested PSU

700 W

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

Outputs

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

1x 6-pin

Power Connectors

-

Graphics Processor

Polaris 20

GPU Name

Barts

Polaris 20 XL (215-0910052)

GPU Variant

Barts XT (215-0798000)

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

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

Vulkan

N/A

-

6.4

Shader Model

5.0

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