NVIDIA GeForce GTX 1080 Max Q vs AMD Radeon RX 640 Mobile

VS

NVIDIA GeForce GTX 1080 Max Q AMD Radeon RX 640 Mobile

We compared two Mobile platform GPUs: 8GB VRAM GeForce GTX 1080 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 GTX 1080 Max Q 's Advantages

Boost Clock has increased by 21% (1468MHz vs 1218MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (320.3GB/s vs 48.00GB/s)

1920 additional rendering cores

AMD Radeon RX 640 Mobile 's Advantages

Released 1 years and 11 months late

Lower TDP (50W vs 150W)

Score

Benchmark

FP32 (float)

GeForce GTX 1080 Max Q +382%

7.516 TFLOPS

Radeon RX 640 Mobile

1.559 TFLOPS

GeForce GTX 1080 Max Q

VS

Radeon RX 640 Mobile

Graphics Card

Jun 2017

Release Date

May 2019

GeForce 10 Mobile

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

1290 MHz

Base Clock

1082 MHz

1468 MHz

Boost Clock

1218 MHz

1251 MHz

Memory Clock

1500 MHz

Memory

8GB

Memory Size

2GB

GDDR5X

Memory Type

GDDR5

256bit

Memory Bus

64bit

320.3GB/s

Bandwidth

48.00GB/s

Render Config

20

SM Count

-

Compute Units

10

2560

Shading Units

640

160

TMUs

40

64

ROPs

16

-

Tensor Cores

-

RT Cores

-

48 KB (per SM)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

512 KB

Theoretical Performance

93.95 GPixel/s

Pixel Rate

19.49 GPixel/s

234.9 GTexel/s

Texture Rate

48.72 GTexel/s

117.4 GFLOPS

FP16 (half)

1.559 TFLOPS

7.516 TFLOPS

FP32 (float)

1.559 TFLOPS

234.9 GFLOPS

FP64 (double)

97.44 GFLOPS

Graphics Processor

GP104

GPU Name

Polaris 23

N17E-G3-A1

GPU Variant

Polaris 23 XT

Pascal

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

16 nm

Process Size

14 nm

7.2 billion

Transistors

2.2 billion

314 mm²

Die Size

103 mm²

Board Design

150W

TDP

50W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Features

12 (12_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.3

Vulkan

1.2

6.1

CUDA

-

6.4

Shader Model

6.4

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