AMD Radeon RX 580X vs AMD Radeon HD 8860 OEM

VS

AMD Radeon RX 580X

AMD Radeon HD 8860 OEM

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 580X and 2GB VRAM Radeon HD 8860 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 580X 's Advantages

Released 5 years and 3 months late

Boost Clock1340MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (256.0GB/s vs 179.2GB/s)

1024 additional rendering cores

AMD Radeon HD 8860 OEM 's Advantages

Lower TDP (175W vs 185W)

Score

Benchmark

FP32 (float)

Radeon RX 580X +160%

6.175 TFLOPS

Radeon HD 8860 OEM

2.368 TFLOPS

Radeon RX 580X

VS

Radeon HD 8860 OEM

Graphics Card

Apr 2018

Release Date

Jan 2013

Polaris

Generation

Sea Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1257 MHz

Base Clock

-

1340 MHz

Boost Clock

-

2000 MHz

Memory Clock

1400 MHz

Memory

8GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

256.0GB/s

Bandwidth

179.2GB/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

42.88 GPixel/s

Pixel Rate

29.60 GPixel/s

193.0 GTexel/s

Texture Rate

74.00 GTexel/s

6.175 TFLOPS

FP16 (half)

-

6.175 TFLOPS

FP32 (float)

2.368 TFLOPS

385.9 GFLOPS

FP64 (double)

148.0 GFLOPS

Board Design

185W

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

1x 6-pin

Graphics Processor

Polaris 20

GPU Name

Curacao

Polaris 20 XTX (215-0910038)

GPU Variant

Curacao PRO (215-0848000)

GCN 4.0

Architecture

GCN 1.0

GlobalFoundries

Foundry

TSMC

14 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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