AMD Radeon HD 6870 vs AMD Radeon RX 590

VS

AMD Radeon HD 6870

AMD Radeon RX 590

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6870 and 8GB VRAM Radeon RX 590 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6870 's Advantages

Lower TDP (151W vs 175W)

AMD Radeon RX 590 's Advantages

Released 8 years and 1 months late

Boost Clock1545MHz

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (256.0GB/s vs 134.4GB/s)

1184 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6870

2.016 TFLOPS

Radeon RX 590 +253%

7.119 TFLOPS

Radeon HD 6870

VS

Radeon RX 590

Graphics Card

Oct 2010

Release Date

Nov 2018

Northern Islands

Generation

Polaris

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1469 MHz

-

Boost Clock

1545 MHz

1050 MHz

Memory Clock

2000 MHz

Memory

1024MB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

134.4GB/s

Bandwidth

256.0GB/s

Render Config

14

Compute Units

36

-

1120

Shading Units

2304

56

TMUs

144

32

ROPs

32

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

2 MB

-

Theoretical Performance

28.80 GPixel/s

Pixel Rate

49.44 GPixel/s

50.40 GTexel/s

Texture Rate

222.5 GTexel/s

-

FP16 (half)

7.119 TFLOPS

2.016 TFLOPS

FP32 (float)

7.119 TFLOPS

-

FP64 (double)

445.0 GFLOPS

Board Design

151W

TDP

175W

450 W

Suggested PSU

450 W

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

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

2x 6-pin

Power Connectors

1x 8-pin

Graphics Processor

Barts

GPU Name

Polaris 30

Barts XT (215-0798000)

GPU Variant

Polaris 30 XT (215-0922006)

TeraScale 2

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

40 nm

Process Size

12 nm

1.7 billion

Transistors

5.7 billion

255 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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