AMD Radeon RX 6550S vs ATI Mobility Radeon HD 4870

VS

AMD Radeon RX 6550S

ATI Mobility Radeon HD 4870

We compared two Mobile platform GPUs: 4GB VRAM Radeon RX 6550S and 512MB VRAM Mobility Radeon HD 4870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6550S 's Advantages

Released 14 years late

Boost Clock2400MHz

More VRAM (4GB vs 512GB)

Larger VRAM bandwidth (128.0GB/s vs 56.83GB/s)

224 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6550S +458%

4.915 TFLOPS

Mobility Radeon HD 4870

0.88 TFLOPS

Radeon RX 6550S

VS

Mobility Radeon HD 4870

Graphics Card

Jan 2023

Release Date

Jan 2009

Navi Mobile

Generation

M9x

Mobile

Type

Mobile

PCIe 4.0 x4

Bus Interface

PCIe 2.0 x16

Clock Speeds

2000 MHz

Base Clock

-

2400 MHz

Boost Clock

-

2000 MHz

Memory Clock

888 MHz

Memory

4GB

Memory Size

512MB

GDDR6

Memory Type

GDDR3

64bit

Memory Bus

256bit

128.0GB/s

Bandwidth

56.83GB/s

Render Config

16

Compute Units

10

-

1024

Shading Units

800

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

76.80 GPixel/s

Pixel Rate

8.800 GPixel/s

153.6 GTexel/s

Texture Rate

22.00 GTexel/s

9.830 TFLOPS

FP16 (half)

-

4.915 TFLOPS

FP32 (float)

880.0 GFLOPS

307.2 GFLOPS

FP64 (double)

176.0 GFLOPS

Board Design

50W

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Processor

Navi 24

GPU Name

M98

Navi 24

GPU Variant

M98 XT L2 (216-0732023)

RDNA 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

6 nm

Process Size

55 nm

5.4 billion

Transistors

0.956 billion

107 mm²

Die Size

256 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.2

OpenCL

1.1

1.3

Vulkan

N/A

-

6.7

Shader Model

4.1

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