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

VS

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

We compared two Mobile platform GPUs: 2GB VRAM Radeon RX 640 Mobile and 8GB VRAM GeForce RTX 4070 Max Q 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)

Radeon RX 640 Mobile

1.559 TFLOPS

GeForce RTX 4070 Max Q +627%

11.34 TFLOPS

Radeon RX 640 Mobile

VS

GeForce RTX 4070 Max Q

Graphics Card

May 2019

Release Date

Jan 2023

Mobility Radeon

Generation

GeForce 40 Mobile

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 4.0 x16

Clock Speeds

1082 MHz

Base Clock

735 MHz

1218 MHz

Boost Clock

1230 MHz

1500 MHz

Memory Clock

1750 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

64bit

Memory Bus

128bit

48.00GB/s

Bandwidth

224.0GB/s

Render Config

-

SM Count

36

10

Compute Units

-

640

Shading Units

4608

40

TMUs

144

16

ROPs

48

-

Tensor Cores

144

-

RT Cores

36

16 KB (per CU)

L1 Cache

128 KB (per SM)

512 KB

L2 Cache

32 MB

Theoretical Performance

19.49 GPixel/s

Pixel Rate

59.04 GPixel/s

48.72 GTexel/s

Texture Rate

177.1 GTexel/s

1.559 TFLOPS

FP16 (half)

11.34 TFLOPS

1.559 TFLOPS

FP32 (float)

11.34 TFLOPS

97.44 GFLOPS

FP64 (double)

177.1 GFLOPS

Graphics Processor

Polaris 23

GPU Name

AD106

Polaris 23 XT

GPU Variant

GN21-X6

GCN 4.0

Architecture

Ada Lovelace

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

4 nm

2.2 billion

Transistors

Unknown

103 mm²

Die Size

190 mm²

Board Design

50W

TDP

35W

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Features

12 (12_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

8.9

6.4

Shader Model

6.7

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