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

VS

AMD Radeon HD 6850 1440SP Edition

AMD Radeon RX 580X

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

Main Differences

AMD Radeon HD 6850 1440SP Edition 's Advantages

Lower TDP (151W vs 185W)

AMD Radeon RX 580X 's Advantages

Released 5 years and 8 months late

Boost Clock1340MHz

More VRAM (8GB vs 1024GB)

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

864 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6850 1440SP Edition

2.088 TFLOPS

Radeon RX 580X +195%

6.175 TFLOPS

Radeon HD 6850 1440SP Edition

VS

Radeon RX 580X

Graphics Card

Aug 2012

Release Date

Apr 2018

Northern Islands

Generation

Polaris

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1257 MHz

-

Boost Clock

1340 MHz

1000 MHz

Memory Clock

2000 MHz

Memory

1024MB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

128.0GB/s

Bandwidth

256.0GB/s

Render Config

18

Compute Units

36

-

1440

Shading Units

2304

72

TMUs

144

32

ROPs

32

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

2 MB

-

Theoretical Performance

23.20 GPixel/s

Pixel Rate

42.88 GPixel/s

52.20 GTexel/s

Texture Rate

193.0 GTexel/s

-

FP16 (half)

6.175 TFLOPS

2.088 TFLOPS

FP32 (float)

6.175 TFLOPS

417.6 GFLOPS

FP64 (double)

385.9 GFLOPS

Board Design

151W

TDP

185W

450 W

Suggested PSU

450 W

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

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

2x 6-pin

Power Connectors

1x 8-pin

Graphics Processor

Cypress

GPU Name

Polaris 20

Cypress PRO (215-0735043)

GPU Variant

Polaris 20 XTX (215-0910038)

TeraScale 2

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

40 nm

Process Size

14 nm

2.154 billion

Transistors

5.7 billion

334 mm²

Die Size

232 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (12_0)

4.4

OpenGL

4.6

1.2

OpenCL

2.1

N/A

Vulkan

1.2

-

5.0

Shader Model

6.4

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