NVIDIA GeForce GTX 980 Mobile vs AMD Radeon RX 640 Mobile

VS

NVIDIA GeForce GTX 980 Mobile

AMD Radeon RX 640 Mobile

We compared two Mobile platform GPUs: 8GB VRAM GeForce GTX 980 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 GTX 980 Mobile 's Advantages

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (224.4GB/s vs 48.00GB/s)

1408 additional rendering cores

AMD Radeon RX 640 Mobile 's Advantages

Released 3 years and 8 months late

Boost Clock has increased by 7% (1218MHz vs 1140MHz)

Score

Benchmark

FP32 (float)

GeForce GTX 980 Mobile +199%

4.669 TFLOPS

Radeon RX 640 Mobile

1.559 TFLOPS

GeForce GTX 980 Mobile

VS

Radeon RX 640 Mobile

Graphics Card

Sep 2015

Release Date

May 2019

GeForce 900M

Generation

Mobility Radeon

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

1064 MHz

Base Clock

1082 MHz

1140 MHz

Boost Clock

1218 MHz

1753 MHz

Memory Clock

1500 MHz

Memory

8GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

64bit

224.4GB/s

Bandwidth

48.00GB/s

Render Config

-

Compute Units

10

-

2048

Shading Units

640

128

TMUs

40

64

ROPs

16

-

48 KB (per SMM)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

512 KB

-

Theoretical Performance

72.96 GPixel/s

Pixel Rate

19.49 GPixel/s

145.9 GTexel/s

Texture Rate

48.72 GTexel/s

-

FP16 (half)

1.559 TFLOPS

4.669 TFLOPS

FP32 (float)

1.559 TFLOPS

145.9 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-GXX-A1

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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