AMD Radeon HD 8870 OEM vs AMD Radeon RX 590

VS

AMD Radeon HD 8870 OEM

AMD Radeon RX 590

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 8870 OEM 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 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 HD 8870 OEM

2.56 TFLOPS

Radeon RX 590 +178%

7.119 TFLOPS

Radeon HD 8870 OEM

VS

Radeon RX 590

Graphics Card

Jan 2013

Release Date

Nov 2018

Sea Islands

Generation

Polaris

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1469 MHz

-

Boost Clock

1545 MHz

1200 MHz

Memory Clock

2000 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

153.6GB/s

Bandwidth

256.0GB/s

Render Config

20

Compute Units

36

-

1280

Shading Units

2304

80

TMUs

144

32

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

2 MB

-

Theoretical Performance

32.00 GPixel/s

Pixel Rate

49.44 GPixel/s

80.00 GTexel/s

Texture Rate

222.5 GTexel/s

-

FP16 (half)

7.119 TFLOPS

2.560 TFLOPS

FP32 (float)

7.119 TFLOPS

160.0 GFLOPS

FP64 (double)

445.0 GFLOPS

Board Design

175W

TDP

175W

450 W

Suggested PSU

450 W

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

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

2x 6-pin

Power Connectors

1x 8-pin

Graphics Processor

Pitcairn

GPU Name

Polaris 30

Pitcairn XT (215-0828047)

GPU Variant

Polaris 30 XT (215-0922006)

GCN 1.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

12 nm

2.8 billion

Transistors

5.7 billion

212 mm²

Die Size

232 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.2

-

5.1

Shader Model

6.4

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