AMD Radeon R7 M445 vs NVIDIA GeForce RTX 5080 Mobile

VS

AMD Radeon R7 M445

NVIDIA GeForce RTX 5080 Mobile

We compared two Mobile platform GPUs: 4GB VRAM Radeon R7 M445 and 16GB VRAM GeForce RTX 5080 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 5080 Mobile 's Advantages

Released 8 years and 8 months late

Boost Clock has increased by 117% (2000MHz vs 920MHz)

More VRAM (16GB vs 4GB)

Larger VRAM bandwidth (1.01TB/s vs 32.00GB/s)

7872 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R7 M445

0.588 TFLOPS

GeForce RTX 5080 Mobile +5473%

32.77 TFLOPS

Radeon R7 M445

VS

GeForce RTX 5080 Mobile

Graphics Card

May 2016

Release Date

Jan 2025

Gem System

Generation

GeForce 50 Mobile

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 5.0 x16

Clock Speeds

780 MHz

Base Clock

1500 MHz

920 MHz

Boost Clock

2000 MHz

1000 MHz

Memory Clock

2500 MHz

Memory

4GB

Memory Size

16GB

GDDR5

Memory Type

GDDR7

64bit

Memory Bus

256bit

32.00GB/s

Bandwidth

1.01TB/s

Render Config

5

Compute Units

-

SM Count

64

320

Shading Units

8192

20

TMUs

256

8

ROPs

96

-

Tensor Cores

256

-

RT Cores

64

16 KB (per CU)

L1 Cache

128 KB (per SM)

128 KB

L2 Cache

64 MB

-

Theoretical Performance

7.360 GPixel/s

Pixel Rate

192.0 GPixel/s

18.40 GTexel/s

Texture Rate

512.0 GTexel/s

588.8 GFLOPS

FP16 (half)

32.77 TFLOPS

588.8 GFLOPS

FP32 (float)

32.77 TFLOPS

36.80 GFLOPS

FP64 (double)

512.0 GFLOPS

Board Design

Unknown

TDP

175W

-

Suggested PSU

550 W

Portable Device Dependent

Outputs

1x HDMI 2.13x DisplayPort 1.4a

-

Power Connectors

None

Graphics Processor

Meso

GPU Name

GB203

Meso PRO (216-0864032)

GPU Variant

-

GCN 3.0

Architecture

Blackwell 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

4 nm

1.55 billion

Transistors

Unknown

125 mm²

Die Size

377 mm²

Graphics Features

12 (12_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.2.170

Vulkan

1.3

-

CUDA

10.1

6.5

Shader Model

6.8

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