AMD Radeon RX 7800M vs AMD Radeon RX 550X Mobile

VS

AMD Radeon RX 7800M

AMD Radeon RX 550X Mobile

We compared two Mobile platform GPUs: 12GB VRAM Radeon RX 7800M and 2GB VRAM Radeon RX 550X Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7800M 's Advantages

Released 6 years and 5 months late

Boost Clock has increased by 82% (2145MHz vs 1176MHz)

More VRAM (12GB vs 2GB)

Larger VRAM bandwidth (432GB/s vs 48.00GB/s)

3200 additional rendering cores

AMD Radeon RX 550X Mobile 's Advantages

Lower TDP (50W vs 180W)

Score

Benchmark

FP32 (float)

Radeon RX 7800M +2283%

35.87 TFLOPS

Radeon RX 550X Mobile

1.505 TFLOPS

Radeon RX 7800M

VS

Radeon RX 550X Mobile

Graphics Card

Sep 2024

Release Date

Apr 2018

Navi Mobile

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

1825 MHz

Base Clock

1100 MHz

2145 MHz

Boost Clock

1176 MHz

2250 MHz

Memory Clock

1500 MHz

Memory

12GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

192bit

Memory Bus

64bit

432GB/s

Bandwidth

48.00GB/s

Render Config

60

Compute Units

10

-

3840

Shading Units

640

240

TMUs

40

96

ROPs

16

-

60

RT Cores

-

256 KB per Array

L1 Cache

16 KB (per CU)

6 MB

L2 Cache

512 KB

48 MB

L3 Cache

-

Theoretical Performance

401.3 GPixel/s

Pixel Rate

18.82 GPixel/s

560.4 GTexel/s

Texture Rate

47.04 GTexel/s

71.73 TFLOPS

FP16 (half)

1.505 TFLOPS

35.87 TFLOPS

FP32 (float)

1.505 TFLOPS

1121 GFLOPS

FP64 (double)

94.08 GFLOPS

Board Design

180W

TDP

50W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Navi 32

GPU Name

Polaris 23

Navi 32

GPU Variant

Polaris 23 MXT

RDNA 3.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

5 nm

Process Size

14 nm

28.1 billion

Transistors

2.2 billion

529 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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