AMD Radeon RX 570X vs AMD Radeon HD 7870 GHz Edition

VS

AMD Radeon RX 570X

AMD Radeon HD 7870 GHz Edition

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 570X and 2GB VRAM Radeon HD 7870 GHz Edition 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 1 months late

Boost Clock1244MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (224.0GB/s vs 153.6GB/s)

768 additional rendering cores

Lower TDP (150W vs 175W)

Score

Benchmark

FP32 (float)

Radeon RX 570X +99%

5.095 TFLOPS

Radeon HD 7870 GHz Edition

2.56 TFLOPS

Radeon RX 570X

VS

Radeon HD 7870 GHz Edition

Graphics Card

Apr 2018

Release Date

Mar 2012

Polaris

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1168 MHz

Base Clock

-

1244 MHz

Boost Clock

-

1750 MHz

Memory Clock

1200 MHz

Memory

8GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

224.0GB/s

Bandwidth

153.6GB/s

Render Config

32

Compute Units

20

-

2048

Shading Units

1280

128

TMUs

80

32

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

512 KB

-

Theoretical Performance

39.81 GPixel/s

Pixel Rate

32.00 GPixel/s

159.2 GTexel/s

Texture Rate

80.00 GTexel/s

5.095 TFLOPS

FP16 (half)

-

5.095 TFLOPS

FP32 (float)

2.560 TFLOPS

318.5 GFLOPS

FP64 (double)

160.0 GFLOPS

Board Design

150W

TDP

175W

450 W

Suggested PSU

450 W

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

Outputs

1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

1x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

Polaris 20

GPU Name

Pitcairn

Polaris 20 XL (215-0910052)

GPU Variant

Pitcairn XT (215-0828047)

GCN 4.0

Architecture

GCN 1.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

5.7 billion

Transistors

2.8 billion

232 mm²

Die Size

212 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

1.2

Vulkan

1.2

-

6.4

Shader Model

5.1

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