NVIDIA GeForce RTX 3080 Max Q vs AMD Radeon RX 640 Mobile

VS

NVIDIA GeForce RTX 3080 Max Q

AMD Radeon RX 640 Mobile

We compared two Mobile platform GPUs: 8GB VRAM GeForce RTX 3080 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 3080 Max Q 's Advantages

Released 1 years and 8 months late

Boost Clock has increased by 2% (1245MHz vs 1218MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (384.0GB/s vs 48.00GB/s)

5504 additional rendering cores

AMD Radeon RX 640 Mobile 's Advantages

Lower TDP (50W vs 80W)

Score

Benchmark

FP32 (float)

GeForce RTX 3080 Max Q +881%

15.3 TFLOPS

Radeon RX 640 Mobile

1.559 TFLOPS

GeForce RTX 3080 Max Q

VS

Radeon RX 640 Mobile

Graphics Card

Jan 2021

Release Date

May 2019

GeForce 30 Mobile

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

780 MHz

Base Clock

1082 MHz

1245 MHz

Boost Clock

1218 MHz

1500 MHz

Memory Clock

1500 MHz

Memory

8GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

64bit

384.0GB/s

Bandwidth

48.00GB/s

Render Config

-

Compute Units

10

48

SM Count

-

6144

Shading Units

640

192

TMUs

40

96

ROPs

16

192

Tensor Cores

-

48

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

512 KB

-

Theoretical Performance

119.5 GPixel/s

Pixel Rate

19.49 GPixel/s

239.0 GTexel/s

Texture Rate

48.72 GTexel/s

15.30 TFLOPS

FP16 (half)

1.559 TFLOPS

15.30 TFLOPS

FP32 (float)

1.559 TFLOPS

239.0 GFLOPS

FP64 (double)

97.44 GFLOPS

Board Design

80W

TDP

50W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

GA104

GPU Name

Polaris 23

GA104-775-A1

GPU Variant

Polaris 23 XT

Ampere

Architecture

GCN 4.0

Samsung

Foundry

GlobalFoundries

8 nm

Process Size

14 nm

17.4 billion

Transistors

2.2 billion

392 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

8.6

CUDA

-

6.6

Shader Model

6.4

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