AMD Radeon RX 570 vs ATI Radeon HD 4855

VS

AMD Radeon RX 570

ATI Radeon HD 4855

We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 570 and 512MB VRAM Radeon HD 4855 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 570 's Advantages

Released 7 years and 3 months late

Boost Clock1244MHz

More VRAM (4GB vs 512GB)

Larger VRAM bandwidth (224.0GB/s vs 115.2GB/s)

1408 additional rendering cores

ATI Radeon HD 4855 's Advantages

Lower TDP (110W vs 150W)

Score

Benchmark

FP32 (float)

Radeon RX 570 +592%

5.095 TFLOPS

Radeon HD 4855

0.736 TFLOPS

Radeon RX 570

VS

Radeon HD 4855

Graphics Card

Apr 2017

Release Date

Jan 2010

Polaris

Generation

Radeon R700

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

900 MHz

Memory

4GB

Memory Size

512MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

224.0GB/s

Bandwidth

115.2GB/s

Render Config

32

Compute Units

8

-

2048

Shading Units

640

128

TMUs

32

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

256 KB

-

Theoretical Performance

39.81 GPixel/s

Pixel Rate

9.200 GPixel/s

159.2 GTexel/s

Texture Rate

18.40 GTexel/s

5.095 TFLOPS

FP16 (half)

-

5.095 TFLOPS

FP32 (float)

736.0 GFLOPS

318.5 GFLOPS

FP64 (double)

147.2 GFLOPS

Board Design

150W

TDP

110W

450 W

Suggested PSU

300 W

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

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

1x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

Polaris 20

GPU Name

RV770

Polaris 20 XL (215-0910052)

GPU Variant

RV770 PRO (215-0669065)

GCN 4.0

Architecture

TeraScale

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

55 nm

5.7 billion

Transistors

0.956 billion

232 mm²

Die Size

256 mm²

Graphics Features

12 (12_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.1

OpenCL

1.1

1.2

Vulkan

N/A

-

6.4

Shader Model

4.1

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