AMD Radeon RX 550 Mobile vs AMD Radeon HD 8670M

VS

AMD Radeon RX 550 Mobile AMD Radeon HD 8670M

We compared two Mobile platform GPUs: 2GB VRAM Radeon RX 550 Mobile and 1024MB VRAM Radeon HD 8670M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 550 Mobile 's Advantages

Released 4 years and 4 months late

Boost Clock has increased by 32% (1287MHz vs 975MHz)

More VRAM (2GB vs 1GB)

Larger VRAM bandwidth (96.00GB/s vs 14.40GB/s)

320 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 550 Mobile +163%

1.647 TFLOPS

Radeon HD 8670M

0.624 TFLOPS

Radeon RX 550 Mobile

VS

Radeon HD 8670M

Graphics Card

Jul 2017

Release Date

Mar 2013

Mobility Radeon

Generation

Solar System

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

1100 MHz

Base Clock

925 MHz

1287 MHz

Boost Clock

975 MHz

1500 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

64bit

96.00GB/s

Bandwidth

14.40GB/s

Render Config

-

SM Count

-

10

Compute Units

5

640

Shading Units

320

40

TMUs

20

16

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

128 KB

Theoretical Performance

20.59 GPixel/s

Pixel Rate

7.800 GPixel/s

51.48 GTexel/s

Texture Rate

19.50 GTexel/s

1.647 TFLOPS

FP16 (half)

-

1.647 TFLOPS

FP32 (float)

624.0 GFLOPS

103.0 GFLOPS

FP64 (double)

39.00 GFLOPS

Graphics Processor

Lexa

GPU Name

Sun

Lexa PRO (215-0904018)

GPU Variant

Sun S3 XT (216-0841009)

GCN 4.0

Architecture

GCN 1.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

2.2 billion

Transistors

0.69 billion

103 mm²

Die Size

56 mm²

Board Design

50W

TDP

Unknown

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

2.1 (1.2)

1.2

Vulkan

1.2.170

-

CUDA

-

6.4

Shader Model

6.5 (5.1)

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