AMD Radeon RX 590 vs AMD Radeon HD 8870 OEM

VS

AMD Radeon RX 590

AMD Radeon HD 8870 OEM

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 590 and 2GB VRAM Radeon HD 8870 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 590 's Advantages

Released 5 years and 10 months late

Boost Clock1545MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (256.0GB/s vs 153.6GB/s)

1024 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 590 +178%

7.119 TFLOPS

Radeon HD 8870 OEM

2.56 TFLOPS

Radeon RX 590

VS

Radeon HD 8870 OEM

Graphics Card

Nov 2018

Release Date

Jan 2013

Polaris

Generation

Sea Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1469 MHz

Base Clock

-

1545 MHz

Boost Clock

-

2000 MHz

Memory Clock

1200 MHz

Memory

8GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

256.0GB/s

Bandwidth

153.6GB/s

Render Config

36

Compute Units

20

-

2304

Shading Units

1280

144

TMUs

80

32

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

512 KB

-

Theoretical Performance

49.44 GPixel/s

Pixel Rate

32.00 GPixel/s

222.5 GTexel/s

Texture Rate

80.00 GTexel/s

7.119 TFLOPS

FP16 (half)

-

7.119 TFLOPS

FP32 (float)

2.560 TFLOPS

445.0 GFLOPS

FP64 (double)

160.0 GFLOPS

Board Design

175W

TDP

175W

450 W

Suggested PSU

450 W

1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

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

1x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

Polaris 30

GPU Name

Pitcairn

Polaris 30 XT (215-0922006)

GPU Variant

Pitcairn XT (215-0828047)

GCN 4.0

Architecture

GCN 1.0

GlobalFoundries

Foundry

TSMC

12 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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