AMD Radeon RX Vega M GL vs NVIDIA GeForce GT 640M LE

VS

AMD Radeon RX Vega M GL

NVIDIA GeForce GT 640M LE

We compared two Mobile platform GPUs: 4GB VRAM Radeon RX Vega M GL and 2GB VRAM GeForce GT 640M LE to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX Vega M GL 's Advantages

Released 5 years and 9 months late

Boost Clock1011MHz

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (179.2GB/s vs 50.24GB/s)

1184 additional rendering cores

NVIDIA GeForce GT 640M LE 's Advantages

Lower TDP (32W vs 65W)

Score

Benchmark

FP32 (float)

Radeon RX Vega M GL +795%

2.588 TFLOPS

GeForce GT 640M LE

0.289 TFLOPS

Radeon RX Vega M GL

VS

GeForce GT 640M LE

Graphics Card

Feb 2018

Release Date

May 2012

Vega

Generation

GeForce 600M

Mobile

Type

Mobile

IGP

Bus Interface

PCIe 2.0 x16

Clock Speeds

931 MHz

Base Clock

-

1011 MHz

Boost Clock

-

700 MHz

Memory Clock

785 MHz

Memory

4GB

Memory Size

2GB

HBM2

Memory Type

GDDR5

1024bit

Memory Bus

128bit

179.2GB/s

Bandwidth

50.24GB/s

Render Config

20

Compute Units

-

SM Count

2

1280

Shading Units

96

80

TMUs

16

32

ROPs

4

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

1024 KB

L2 Cache

256 KB

-

Theoretical Performance

32.35 GPixel/s

Pixel Rate

3.012 GPixel/s

80.88 GTexel/s

Texture Rate

12.05 GTexel/s

2.588 TFLOPS

FP16 (half)

-

2.588 TFLOPS

FP32 (float)

289.0 GFLOPS

161.8 GFLOPS

FP64 (double)

24.08 GFLOPS

Board Design

65W

TDP

32W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Polaris 22

GPU Name

GF108

VegaM XL (D715A714)

GPU Variant

-

GCN 4.0

Architecture

Fermi

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

5 billion

Transistors

0.585 billion

208 mm²

Die Size

116 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

2.1

6.4

Shader Model

5.1

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