AMD Radeon RX 6550M vs AMD Radeon HD 8870M

VS

AMD Radeon RX 6550M

AMD Radeon HD 8870M

We compared two Mobile platform GPUs: 4GB VRAM Radeon RX 6550M and 2GB VRAM Radeon HD 8870M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6550M 's Advantages

Released 9 years and 9 months late

Boost Clock has increased by 266% (2840MHz vs 775MHz)

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (144.0GB/s vs 72.00GB/s)

384 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6550M +486%

5.816 TFLOPS

Radeon HD 8870M

0.992 TFLOPS

Radeon RX 6550M

VS

Radeon HD 8870M

Graphics Card

Jan 2023

Release Date

Apr 2013

Navi Mobile

Generation

Solar System

Mobile

Type

Mobile

PCIe 4.0 x4

Bus Interface

PCIe 3.0 x16

Clock Speeds

2000 MHz

Base Clock

725 MHz

2840 MHz

Boost Clock

775 MHz

2250 MHz

Memory Clock

1125 MHz

Memory

4GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

64bit

Memory Bus

128bit

144.0GB/s

Bandwidth

72.00GB/s

Render Config

16

Compute Units

10

-

1024

Shading Units

640

64

TMUs

40

32

ROPs

16

-

16

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

256 KB

16 MB

L3 Cache

-

Theoretical Performance

90.88 GPixel/s

Pixel Rate

12.40 GPixel/s

181.8 GTexel/s

Texture Rate

31.00 GTexel/s

11.63 TFLOPS

FP16 (half)

-

5.816 TFLOPS

FP32 (float)

992.0 GFLOPS

363.5 GFLOPS

FP64 (double)

62.00 GFLOPS

Board Design

80W

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

Navi 24

GPU Name

Venus

Navi 24

GPU Variant

Venus XT (216-0846000)

RDNA 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

6 nm

Process Size

28 nm

5.4 billion

Transistors

1.5 billion

107 mm²

Die Size

123 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.2

OpenCL

2.1 (1.2)

1.3

Vulkan

1.2.170

-

6.7

Shader Model

6.5 (5.1)

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