AMD Radeon RX 7900M vs AMD Radeon Pro 455

VS

We compared two Mobile platform GPUs: 16GB VRAM Radeon RX 7900M and 2GB VRAM Radeon Pro 455 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7900M 's Advantages

Released 7 years late

Boost Clock2090MHz

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (576.0GB/s vs 81.28GB/s)

3840 additional rendering cores

AMD Radeon Pro 455 's Advantages

Lower TDP (35W vs 180W)

Score

Benchmark

FP32 (float)

Radeon RX 7900M +2833%

38.52 TFLOPS

Radeon Pro 455

1.313 TFLOPS

Radeon RX 7900M

VS

Radeon Pro 455

Graphics Card

Oct 2023

Release Date

Oct 2016

Navi Mobile

Generation

Radeon Pro Mac

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

1825 MHz

Base Clock

-

2090 MHz

Boost Clock

-

2250 MHz

Memory Clock

1270 MHz

Memory

16GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

128bit

576.0GB/s

Bandwidth

81.28GB/s

Render Config

-

SM Count

-

72

Compute Units

12

4608

Shading Units

768

288

TMUs

48

192

ROPs

16

-

Tensor Cores

-

72

RT Cores

-

256 KB per Array

L1 Cache

16 KB (per CU)

6 MB

L2 Cache

1024 KB

Theoretical Performance

401.3 GPixel/s

Pixel Rate

13.68 GPixel/s

601.9 GTexel/s

Texture Rate

41.04 GTexel/s

77.05 TFLOPS

FP16 (half)

1313 GFLOPS

38.52 TFLOPS

FP32 (float)

1313 GFLOPS

1204 GFLOPS

FP64 (double)

82.08 GFLOPS

Graphics Processor

Navi 31

GPU Name

Baffin

Navi 31

GPU Variant

Baffin PRO

RDNA 3.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

5 nm

Process Size

14 nm

57.7 billion

Transistors

3 billion

529 mm²

Die Size

123 mm²

Board Design

180W

TDP

35W

-

Suggested PSU

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

None

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

-

CUDA

-

6.7

Shader Model

6.4

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