AMD Radeon RX 550X vs AMD Radeon HD 8670 OEM

VS

AMD Radeon RX 550X AMD Radeon HD 8670 OEM

We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 550X 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 550X 's Advantages

Released 5 years and 11 months late

Boost Clock has increased by 13% (1183MHz vs 1050MHz)

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (96.00GB/s vs 73.60GB/s)

128 additional rendering cores

Lower TDP (50W vs 75W)

Score

Benchmark

FP32 (float)

Radeon RX 550X +50%

1.211 TFLOPS

Radeon HD 8670 OEM

0.806 TFLOPS

Radeon RX 550X

VS

Radeon HD 8670 OEM

Graphics Card

Dec 2018

Release Date

Jan 2013

Polaris

Generation

Sea Islands

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

1100 MHz

Base Clock

1000 MHz

1183 MHz

Boost Clock

1050 MHz

1500 MHz

Memory Clock

1150 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

96.00GB/s

Bandwidth

73.60GB/s

Render Config

-

SM Count

-

8

Compute Units

6

512

Shading Units

384

32

TMUs

24

16

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

Theoretical Performance

18.93 GPixel/s

Pixel Rate

8.400 GPixel/s

37.86 GTexel/s

Texture Rate

25.20 GTexel/s

1211 GFLOPS

FP16 (half)

-

1211 GFLOPS

FP32 (float)

806.4 GFLOPS

75.71 GFLOPS

FP64 (double)

50.40 GFLOPS

Graphics Processor

Lexa

GPU Name

Oland

Lexa PRO (215-0904018)

GPU Variant

Oland XT (215-0837000)

GCN 4.0

Architecture

GCN 1.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

2.2 billion

Transistors

0.95 billion

103 mm²

Die Size

77 mm²

Board Design

50W

TDP

75W

250 W

Suggested PSU

250 W

1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 1.4a 1x VGA

None

Power Connectors

None

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

1.2

Vulkan

1.2

-

CUDA

-

6.4

Shader Model

5.1

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