AMD Radeon RX 580X vs AMD Radeon HD 8670 OEM

VS

AMD Radeon RX 580X

AMD Radeon HD 8670 OEM

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 580X and 2GB VRAM Radeon HD 8670 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 Clock has increased by 28% (1340MHz vs 1050MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (256.0GB/s vs 73.60GB/s)

1920 additional rendering cores

AMD Radeon HD 8670 OEM 's Advantages

Lower TDP (75W vs 185W)

Score

Benchmark

FP32 (float)

Radeon RX 580X +666%

6.175 TFLOPS

Radeon HD 8670 OEM

0.806 TFLOPS

Radeon RX 580X

VS

Radeon HD 8670 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 x8

Clock Speeds

1257 MHz

Base Clock

1000 MHz

1340 MHz

Boost Clock

1050 MHz

2000 MHz

Memory Clock

1150 MHz

Memory

8GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

256.0GB/s

Bandwidth

73.60GB/s

Render Config

36

Compute Units

6

-

2304

Shading Units

384

144

TMUs

24

32

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

256 KB

-

Theoretical Performance

42.88 GPixel/s

Pixel Rate

8.400 GPixel/s

193.0 GTexel/s

Texture Rate

25.20 GTexel/s

6.175 TFLOPS

FP16 (half)

-

6.175 TFLOPS

FP32 (float)

806.4 GFLOPS

385.9 GFLOPS

FP64 (double)

50.40 GFLOPS

Board Design

185W

TDP

75W

450 W

Suggested PSU

250 W

1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 1.4a 1x VGA

1x 8-pin

Power Connectors

None

Graphics Processor

Polaris 20

GPU Name

Oland

Polaris 20 XTX (215-0910038)

GPU Variant

Oland XT (215-0837000)

GCN 4.0

Architecture

GCN 1.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

5.7 billion

Transistors

0.95 billion

232 mm²

Die Size

77 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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