NVIDIA GeForce RTX 4070 Max-Q vs AMD Radeon RX 640 Mobile

VS

NVIDIA GeForce RTX 4070 Max-Q

AMD Radeon RX 640 Mobile

We compared two Mobile platform GPUs: 8GB VRAM GeForce RTX 4070 Max Q and 2GB VRAM Radeon RX 640 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 1% (1230MHz vs 1218MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (224.0GB/s vs 48.00GB/s)

3968 additional rendering cores

Lower TDP (35W vs 50W)

Score

Benchmark

FP32 (float)

GeForce RTX 4070 Max Q +627%

11.34 TFLOPS

Radeon RX 640 Mobile

1.559 TFLOPS

GeForce RTX 4070 Max Q

VS

Radeon RX 640 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

1082 MHz

1230 MHz

Boost Clock

1218 MHz

1750 MHz

Memory Clock

1500 MHz

Memory

8GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

128bit

Memory Bus

64bit

224.0GB/s

Bandwidth

48.00GB/s

Render Config

-

Compute Units

10

36

SM Count

-

4608

Shading Units

640

144

TMUs

40

48

ROPs

16

144

Tensor Cores

-

36

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

32 MB

L2 Cache

512 KB

-

Theoretical Performance

59.04 GPixel/s

Pixel Rate

19.49 GPixel/s

177.1 GTexel/s

Texture Rate

48.72 GTexel/s

11.34 TFLOPS

FP16 (half)

1.559 TFLOPS

11.34 TFLOPS

FP32 (float)

1.559 TFLOPS

177.1 GFLOPS

FP64 (double)

97.44 GFLOPS

Board Design

35W

TDP

50W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

AD106

GPU Name

Polaris 23

GN21-X6

GPU Variant

Polaris 23 XT

Ada Lovelace

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

4 nm

Process Size

14 nm

Unknown

Transistors

2.2 billion

190 mm²

Die Size

103 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.3

Vulkan

1.2

8.9

CUDA

-

6.7

Shader Model

6.4

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