NVIDIA GeForce GTX 970M vs AMD Radeon RX 640 Mobile

VS

NVIDIA GeForce GTX 970M

AMD Radeon RX 640 Mobile

We compared two Mobile platform GPUs: 3GB VRAM GeForce GTX 970M 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 970M 's Advantages

More VRAM (3GB vs 2GB)

Larger VRAM bandwidth (120.3GB/s vs 48.00GB/s)

640 additional rendering cores

AMD Radeon RX 640 Mobile 's Advantages

Released 4 years and 7 months late

Boost Clock has increased by 17% (1218MHz vs 1038MHz)

Score

Benchmark

FP32 (float)

GeForce GTX 970M +70%

2.657 TFLOPS

Radeon RX 640 Mobile

1.559 TFLOPS

GeForce GTX 970M

VS

Radeon RX 640 Mobile

Graphics Card

Oct 2014

Release Date

May 2019

GeForce 900M

Generation

Mobility Radeon

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

924 MHz

Base Clock

1082 MHz

1038 MHz

Boost Clock

1218 MHz

1253 MHz

Memory Clock

1500 MHz

Memory

3GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

192bit

Memory Bus

64bit

120.3GB/s

Bandwidth

48.00GB/s

Render Config

-

Compute Units

10

-

1280

Shading Units

640

80

TMUs

40

48

ROPs

16

-

48 KB (per SMM)

L1 Cache

16 KB (per CU)

1536 KB

L2 Cache

512 KB

-

Theoretical Performance

49.82 GPixel/s

Pixel Rate

19.49 GPixel/s

83.04 GTexel/s

Texture Rate

48.72 GTexel/s

-

FP16 (half)

1.559 TFLOPS

2.657 TFLOPS

FP32 (float)

1.559 TFLOPS

83.04 GFLOPS

FP64 (double)

97.44 GFLOPS

Board Design

Unknown

TDP

50W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

GM204

GPU Name

Polaris 23

N16E-GT-A2

GPU Variant

Polaris 23 XT

Maxwell 2.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

5.2 billion

Transistors

2.2 billion

398 mm²

Die Size

103 mm²

Graphics Features

12 (12_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.3

Vulkan

1.2

5.2

CUDA

-

6.7 (6.4)

Shader Model

6.4

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