AMD Radeon RX 570 X2 vs AMD Radeon HD 6870

VS

AMD Radeon RX 570 X2

AMD Radeon HD 6870

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 570 X2 and 1024MB VRAM Radeon HD 6870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 570 X2 's Advantages

Boost Clock1206MHz

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (268.8GB/s vs 134.4GB/s)

928 additional rendering cores

AMD Radeon HD 6870 's Advantages

Lower TDP (151W vs 180W)

Score

Benchmark

FP32 (float)

Radeon RX 570 X2 +145%

4.94 TFLOPS

Radeon HD 6870

2.016 TFLOPS

Radeon RX 570 X2

VS

Radeon HD 6870

Graphics Card

Unknown

Release Date

Oct 2010

Mining GPUs

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1120 MHz

Base Clock

-

1206 MHz

Boost Clock

-

2100 MHz

Memory Clock

1050 MHz

Memory

8GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

268.8GB/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

38.59 GPixel/s

Pixel Rate

28.80 GPixel/s

154.4 GTexel/s

Texture Rate

50.40 GTexel/s

4.940 TFLOPS

FP16 (half)

-

4.940 TFLOPS

FP32 (float)

2.016 TFLOPS

308.7 GFLOPS

FP64 (double)

-

Board Design

180W

TDP

151W

450 W

Suggested PSU

450 W

1x HDMI 2.0b

Outputs

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

2x 8-pin

Power Connectors

2x 6-pin

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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