NVIDIA GeForce RTX 5070 Mobile vs AMD Radeon RX 640 Mobile

VS

NVIDIA GeForce RTX 5070 Mobile

AMD Radeon RX 640 Mobile

We compared two Mobile platform GPUs: 8GB VRAM GeForce RTX 5070 Mobile 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 5070 Mobile 's Advantages

Released 5 years and 8 months late

Boost Clock has increased by 107% (2520MHz vs 1218MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (507.2GB/s vs 48.00GB/s)

3968 additional rendering cores

AMD Radeon RX 640 Mobile 's Advantages

Lower TDP (50W vs 115W)

Score

Benchmark

FP32 (float)

GeForce RTX 5070 Mobile +1389%

23.22 TFLOPS

Radeon RX 640 Mobile

1.559 TFLOPS

GeForce RTX 5070 Mobile

VS

Radeon RX 640 Mobile

Graphics Card

Jan 2025

Release Date

May 2019

GeForce 50 Mobile

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 5.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

2235 MHz

Base Clock

1082 MHz

2520 MHz

Boost Clock

1218 MHz

2500 MHz

Memory Clock

1500 MHz

Memory

8GB

Memory Size

2GB

GDDR7

Memory Type

GDDR5

128bit

Memory Bus

64bit

507.2GB/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

121.0 GPixel/s

Pixel Rate

19.49 GPixel/s

362.9 GTexel/s

Texture Rate

48.72 GTexel/s

23.22 TFLOPS

FP16 (half)

1.559 TFLOPS

23.22 TFLOPS

FP32 (float)

1.559 TFLOPS

362.9 GFLOPS

FP64 (double)

97.44 GFLOPS

Board Design

115W

TDP

50W

300 W

Suggested PSU

-

1x HDMI 2.13x DisplayPort 1.4a

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

GB206

GPU Name

Polaris 23

GB206

GPU Variant

Polaris 23 XT

Blackwell 2.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

4 nm

Process Size

14 nm

Unknown

Transistors

2.2 billion

Unknown

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

10.1

CUDA

-

6.8

Shader Model

6.4

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