NVIDIA GeForce RTX 4070 Max-Q vs AMD Radeon 620 Mobile

VS

NVIDIA GeForce RTX 4070 Max-Q

AMD Radeon 620 Mobile

We compared two Mobile platform GPUs: 8GB VRAM GeForce RTX 4070 Max Q and 2GB VRAM Radeon 620 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4070 Max-Q 's Advantages

Released 3 years and 8 months late

Boost Clock has increased by 20% (1230MHz vs 1024MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (224.0GB/s vs 14.40GB/s)

4224 additional rendering cores

Lower TDP (35W vs 50W)

Score

Benchmark

FP32 (float)

GeForce RTX 4070 Max Q +1342%

11.34 TFLOPS

Radeon 620 Mobile

0.786 TFLOPS

GeForce RTX 4070 Max Q

VS

Radeon 620 Mobile

Graphics Card

Jan 2023

Release Date

May 2019

GeForce 40 Mobile

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

735 MHz

Base Clock

730 MHz

1230 MHz

Boost Clock

1024 MHz

1750 MHz

Memory Clock

900 MHz

Memory

8GB

Memory Size

2GB

GDDR6

Memory Type

DDR3

128bit

Memory Bus

64bit

224.0GB/s

Bandwidth

14.40GB/s

Render Config

-

Compute Units

6

36

SM Count

-

4608

Shading Units

384

144

TMUs

24

48

ROPs

8

144

Tensor Cores

-

36

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

32 MB

L2 Cache

128 KB

-

Theoretical Performance

59.04 GPixel/s

Pixel Rate

8.192 GPixel/s

177.1 GTexel/s

Texture Rate

24.58 GTexel/s

11.34 TFLOPS

FP16 (half)

786.4 GFLOPS

11.34 TFLOPS

FP32 (float)

786.4 GFLOPS

177.1 GFLOPS

FP64 (double)

49.15 GFLOPS

Board Design

35W

TDP

50W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

AD106

GPU Name

Polaris 24

GN21-X6

GPU Variant

Polaris 24 XL

Ada Lovelace

Architecture

GCN 3.0

TSMC

Foundry

TSMC

4 nm

Process Size

28 nm

Unknown

Transistors

1.55 billion

190 mm²

Die Size

125 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.0

1.3

Vulkan

1.2

8.9

CUDA

-

6.7

Shader Model

6.3

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