AMD Radeon Pro 555X vs AMD Radeon RX 7900M

VS

We compared two Mobile platform GPUs: 4GB VRAM Radeon Pro 555X and 16GB VRAM Radeon RX 7900M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro 555X 's Advantages

Lower TDP (75W vs 180W)

AMD Radeon RX 7900M 's Advantages

Released 5 years and 3 months late

Boost Clock2090MHz

More VRAM (16GB vs 4GB)

Larger VRAM bandwidth (576.0GB/s vs 94.08GB/s)

3840 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon Pro 555X

1.393 TFLOPS

Radeon RX 7900M +2665%

38.52 TFLOPS

Radeon Pro 555X

VS

Radeon RX 7900M

Graphics Card

Jul 2018

Release Date

Oct 2023

Radeon Pro Mac

Generation

Navi Mobile

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1825 MHz

-

Boost Clock

2090 MHz

1470 MHz

Memory Clock

2250 MHz

Memory

4GB

Memory Size

16GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

256bit

94.08GB/s

Bandwidth

576.0GB/s

Render Config

-

SM Count

-

12

Compute Units

72

768

Shading Units

4608

48

TMUs

288

16

ROPs

192

-

Tensor Cores

-

RT Cores

72

16 KB (per CU)

L1 Cache

256 KB per Array

1024 KB

L2 Cache

6 MB

Theoretical Performance

14.51 GPixel/s

Pixel Rate

401.3 GPixel/s

43.54 GTexel/s

Texture Rate

601.9 GTexel/s

1393 GFLOPS

FP16 (half)

77.05 TFLOPS

1393 GFLOPS

FP32 (float)

38.52 TFLOPS

87.07 GFLOPS

FP64 (double)

1204 GFLOPS

Graphics Processor

Polaris 21

GPU Name

Navi 31

Polaris 21 PRO

GPU Variant

Navi 31

GCN 4.0

Architecture

RDNA 3.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

5 nm

3 billion

Transistors

57.7 billion

123 mm²

Die Size

529 mm²

Board Design

75W

TDP

180W

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Features

12 (12_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

2.2

1.2

Vulkan

1.3

-

CUDA

-

6.4

Shader Model

6.7

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