AMD Radeon HD 7870 GHz Edition vs AMD Radeon RX 590 GME

VS

AMD Radeon HD 7870 GHz Edition

AMD Radeon RX 590 GME

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 7870 GHz Edition and 8GB VRAM Radeon RX 590 GME to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 590 GME 's Advantages

Released 8 years late

Boost Clock1420MHz

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 7870 GHz Edition

2.56 TFLOPS

Radeon RX 590 GME +155%

6.543 TFLOPS

Radeon HD 7870 GHz Edition

VS

Radeon RX 590 GME

Graphics Card

Mar 2012

Release Date

Mar 2020

Southern Islands

Generation

Polaris

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1257 MHz

-

Boost Clock

1420 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

45.44 GPixel/s

80.00 GTexel/s

Texture Rate

204.5 GTexel/s

-

FP16 (half)

6.543 TFLOPS

2.560 TFLOPS

FP32 (float)

6.543 TFLOPS

160.0 GFLOPS

FP64 (double)

409.0 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 20

Pitcairn XT (215-0828047)

GPU Variant

Polaris 20 XTR (215-0910066)

GCN 1.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 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

1.3

-

5.1

Shader Model

6.7

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