AMD Radeon R5 M445 vs NVIDIA GeForce RTX 4080 Max-Q

VS

AMD Radeon R5 M445

NVIDIA GeForce RTX 4080 Max-Q

We compared two Mobile platform GPUs: 4GB VRAM Radeon R5 M445 and 12GB VRAM GeForce RTX 4080 Max Q to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4080 Max-Q 's Advantages

Released 7 years late

Boost Clock1350MHz

More VRAM (12GB vs 4GB)

Larger VRAM bandwidth (336.0GB/s vs 32.00GB/s)

7040 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R5 M445

0.706 TFLOPS

GeForce RTX 4080 Max Q +2738%

20.04 TFLOPS

Radeon R5 M445

VS

GeForce RTX 4080 Max Q

Graphics Card

Jan 2016

Release Date

Jan 2023

Gem System

Generation

GeForce 40 Mobile

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

795 MHz

-

Boost Clock

1350 MHz

1000 MHz

Memory Clock

1750 MHz

Memory

4GB

Memory Size

12GB

GDDR5

Memory Type

GDDR6

64bit

Memory Bus

192bit

32.00GB/s

Bandwidth

336.0GB/s

Render Config

6

Compute Units

-

SM Count

58

384

Shading Units

7424

24

TMUs

232

8

ROPs

80

-

Tensor Cores

232

-

RT Cores

58

16 KB (per CU)

L1 Cache

128 KB (per SM)

128 KB

L2 Cache

48 MB

-

Theoretical Performance

7.360 GPixel/s

Pixel Rate

108.0 GPixel/s

22.08 GTexel/s

Texture Rate

313.2 GTexel/s

-

FP16 (half)

20.04 TFLOPS

706.6 GFLOPS

FP32 (float)

20.04 TFLOPS

-

FP64 (double)

313.2 GFLOPS

Board Design

Unknown

TDP

60W

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

Meso

GPU Name

AD104

Meso XT (216-0864018)

GPU Variant

GN21-X9

GCN 3.0

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

28 nm

Process Size

4 nm

1.55 billion

Transistors

35.8 billion

125 mm²

Die Size

295 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

8.9

6.5

Shader Model

6.7

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