AMD Radeon R5 M420 vs NVIDIA GeForce RTX 4080 Max-Q

VS

AMD Radeon R5 M420

NVIDIA GeForce RTX 4080 Max-Q

We compared two Mobile platform GPUs: 4GB VRAM Radeon R5 M420 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 6 years and 8 months late

Boost Clock has increased by 59% (1350MHz vs 850MHz)

More VRAM (12GB vs 4GB)

Larger VRAM bandwidth (336.0GB/s vs 16.00GB/s)

7104 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R5 M420

0.544 TFLOPS

GeForce RTX 4080 Max Q +3583%

20.04 TFLOPS

Radeon R5 M420

VS

GeForce RTX 4080 Max Q

Graphics Card

May 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

780 MHz

Base Clock

795 MHz

850 MHz

Boost Clock

1350 MHz

1000 MHz

Memory Clock

1750 MHz

Memory

4GB

Memory Size

12GB

DDR3

Memory Type

GDDR6

64bit

Memory Bus

192bit

16.00GB/s

Bandwidth

336.0GB/s

Render Config

5

Compute Units

-

SM Count

58

320

Shading Units

7424

20

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

6.800 GPixel/s

Pixel Rate

108.0 GPixel/s

17.00 GTexel/s

Texture Rate

313.2 GTexel/s

-

FP16 (half)

20.04 TFLOPS

544.0 GFLOPS

FP32 (float)

20.04 TFLOPS

34.00 GFLOPS

FP64 (double)

313.2 GFLOPS

Board Design

Unknown

TDP

60W

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

Jet

GPU Name

AD104

Jet PRO (216-0856040)

GPU Variant

GN21-X9

GCN 1.0

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

28 nm

Process Size

4 nm

0.69 billion

Transistors

35.8 billion

56 mm²

Die Size

295 mm²

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

3.0

1.2.170

Vulkan

1.3

-

CUDA

8.9

6.5 (5.1)

Shader Model

6.7

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