AMD Radeon 520 Mobile vs AMD Radeon RX 7900M

VS

AMD Radeon 520 Mobile

AMD Radeon RX 7900M

We compared two Mobile platform GPUs: 2GB VRAM Radeon 520 Mobile 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 520 Mobile 's Advantages

Lower TDP (50W vs 180W)

AMD Radeon RX 7900M 's Advantages

Released 6 years and 6 months late

Boost Clock2090MHz

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (576.0GB/s vs 16.00GB/s)

4288 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon 520 Mobile

0.659 TFLOPS

Radeon RX 7900M +5745%

38.52 TFLOPS

Radeon 520 Mobile

VS

Radeon RX 7900M

Graphics Card

Apr 2017

Release Date

Oct 2023

Mobility Radeon

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

1000 MHz

Memory Clock

2250 MHz

Memory

2GB

Memory Size

16GB

DDR3

Memory Type

GDDR6

64bit

Memory Bus

256bit

16.00GB/s

Bandwidth

576.0GB/s

Render Config

5

Compute Units

72

-

320

Shading Units

4608

20

TMUs

288

8

ROPs

192

-

RT Cores

72

16 KB (per CU)

L1 Cache

256 KB per Array

128 KB

L2 Cache

6 MB

-

L3 Cache

64 MB

Theoretical Performance

8.240 GPixel/s

Pixel Rate

401.3 GPixel/s

20.60 GTexel/s

Texture Rate

601.9 GTexel/s

-

FP16 (half)

77.05 TFLOPS

659.2 GFLOPS

FP32 (float)

38.52 TFLOPS

41.20 GFLOPS

FP64 (double)

1204 GFLOPS

Board Design

50W

TDP

180W

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Processor

Banks

GPU Name

Navi 31

Banks PRO (216-0568010)

GPU Variant

Navi 31

GCN 1.0

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

5 nm

0.69 billion

Transistors

57.7 billion

56 mm²

Die Size

529 mm²

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.2

OpenCL

2.2

1.2

Vulkan

1.3

-

5.1

Shader Model

6.7

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