AMD Radeon RX 6550S vs AMD Radeon RX 640 Mobile

VS

AMD Radeon RX 6550S

AMD Radeon RX 640 Mobile

We compared two Mobile platform GPUs: 4GB VRAM Radeon RX 6550S and 2GB VRAM Radeon RX 640 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6550S 's Advantages

Released 3 years and 8 months late

Boost Clock has increased by 97% (2400MHz vs 1218MHz)

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (128.0GB/s vs 48.00GB/s)

384 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6550S +215%

4.915 TFLOPS

Radeon RX 640 Mobile

1.559 TFLOPS

Radeon RX 6550S

VS

Radeon RX 640 Mobile

Graphics Card

Jan 2023

Release Date

May 2019

Navi Mobile

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 4.0 x4

Bus Interface

PCIe 3.0 x8

Clock Speeds

2000 MHz

Base Clock

1082 MHz

2400 MHz

Boost Clock

1218 MHz

2000 MHz

Memory Clock

1500 MHz

Memory

4GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

64bit

Memory Bus

64bit

128.0GB/s

Bandwidth

48.00GB/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

512 KB

16 MB

L3 Cache

-

Theoretical Performance

76.80 GPixel/s

Pixel Rate

19.49 GPixel/s

153.6 GTexel/s

Texture Rate

48.72 GTexel/s

9.830 TFLOPS

FP16 (half)

1.559 TFLOPS

4.915 TFLOPS

FP32 (float)

1.559 TFLOPS

307.2 GFLOPS

FP64 (double)

97.44 GFLOPS

Board Design

50W

TDP

50W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Navi 24

GPU Name

Polaris 23

Navi 24

GPU Variant

Polaris 23 XT

RDNA 2.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

6 nm

Process Size

14 nm

5.4 billion

Transistors

2.2 billion

107 mm²

Die Size

103 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.2

OpenCL

2.1

1.3

Vulkan

1.2

-

6.7

Shader Model

6.4

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