NVIDIA GeForce RTX 2080 SUPER Max Q vs AMD Radeon RX 640 Mobile

VS

NVIDIA GeForce RTX 2080 SUPER Max Q

AMD Radeon RX 640 Mobile

We compared two Mobile platform GPUs: 8GB VRAM GeForce RTX 2080 SUPER 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 2080 SUPER Max Q 's Advantages

Released 11 months late

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (352.0GB/s vs 48.00GB/s)

2432 additional rendering cores

AMD Radeon RX 640 Mobile 's Advantages

Boost Clock has increased by 25% (1218MHz vs 975MHz)

Lower TDP (50W vs 80W)

Score

Benchmark

FP32 (float)

GeForce RTX 2080 SUPER Max Q +284%

5.99 TFLOPS

Radeon RX 640 Mobile

1.559 TFLOPS

GeForce RTX 2080 SUPER Max Q

VS

Radeon RX 640 Mobile

Graphics Card

Apr 2020

Release Date

May 2019

GeForce 20 Mobile

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

735 MHz

Base Clock

1082 MHz

975 MHz

Boost Clock

1218 MHz

1375 MHz

Memory Clock

1500 MHz

Memory

8GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

64bit

352.0GB/s

Bandwidth

48.00GB/s

Render Config

-

Compute Units

10

48

SM Count

-

3072

Shading Units

640

192

TMUs

40

64

ROPs

16

384

Tensor Cores

-

48

RT Cores

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

512 KB

-

Theoretical Performance

62.40 GPixel/s

Pixel Rate

19.49 GPixel/s

187.2 GTexel/s

Texture Rate

48.72 GTexel/s

11.98 TFLOPS

FP16 (half)

1.559 TFLOPS

5.990 TFLOPS

FP32 (float)

1.559 TFLOPS

187.2 GFLOPS

FP64 (double)

97.44 GFLOPS

Board Design

80W

TDP

50W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

TU104

GPU Name

Polaris 23

N18E-G3R

GPU Variant

Polaris 23 XT

Turing

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

12 nm

Process Size

14 nm

13.6 billion

Transistors

2.2 billion

545 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

7.5

CUDA

-

6.6

Shader Model

6.4

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