AMD Radeon RX 580G vs AMD Radeon HD 6850 1440SP Edition

VS

AMD Radeon RX 580G

AMD Radeon HD 6850 1440SP Edition

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 580G and 1024MB VRAM Radeon HD 6850 1440SP Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 580G 's Advantages

Released 6 years and 2 months late

Boost Clock1330MHz

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (256.0GB/s vs 128.0GB/s)

864 additional rendering cores

AMD Radeon HD 6850 1440SP Edition 's Advantages

Lower TDP (151W vs 185W)

Score

Benchmark

FP32 (float)

Radeon RX 580G +193%

6.129 TFLOPS

Radeon HD 6850 1440SP Edition

2.088 TFLOPS

Radeon RX 580G

VS

Radeon HD 6850 1440SP Edition

Graphics Card

Oct 2018

Release Date

Aug 2012

Polaris

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1257 MHz

Base Clock

-

1330 MHz

Boost Clock

-

2000 MHz

Memory Clock

1000 MHz

Memory

8GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

256.0GB/s

Bandwidth

128.0GB/s

Render Config

36

Compute Units

18

-

2304

Shading Units

1440

144

TMUs

72

32

ROPs

32

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

2 MB

L2 Cache

512 KB

-

Theoretical Performance

42.56 GPixel/s

Pixel Rate

23.20 GPixel/s

191.5 GTexel/s

Texture Rate

52.20 GTexel/s

6.129 TFLOPS

FP16 (half)

-

6.129 TFLOPS

FP32 (float)

2.088 TFLOPS

383.0 GFLOPS

FP64 (double)

417.6 GFLOPS

Board Design

185W

TDP

151W

450 W

Suggested PSU

450 W

1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

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

1x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

Polaris 20

GPU Name

Cypress

Polaris 20 XTX (215-0910038)

GPU Variant

Cypress PRO (215-0735043)

GCN 4.0

Architecture

TeraScale 2

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

5.7 billion

Transistors

2.154 billion

232 mm²

Die Size

334 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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