NVIDIA GeForce GT 640M Mac Edition vs AMD Radeon Pro Vega 20

VS

NVIDIA GeForce GT 640M Mac Edition AMD Radeon Pro Vega 20

We compared two Mobile platform GPUs: 512MB VRAM GeForce GT 640M Mac Edition and 4GB VRAM Radeon Pro Vega 20 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 640M Mac Edition 's Advantages

Lower TDP (32W vs 100W)

AMD Radeon Pro Vega 20 's Advantages

Released 5 years and 9 months late

Boost Clock1283MHz

Larger VRAM bandwidth (189.4GB/s vs 40.00GB/s)

896 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 640M Mac Edition

0.572 TFLOPS

Radeon Pro Vega 20 +474%

3.284 TFLOPS

GeForce GT 640M Mac Edition

VS

Radeon Pro Vega 20

Graphics Card

Feb 2013

Release Date

Nov 2018

GeForce 600M

Generation

Radeon Pro Mac

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

815 MHz

-

Boost Clock

1283 MHz

1250 MHz

Memory Clock

740 MHz

Memory

512MB

Memory Size

4GB

GDDR5

Memory Type

HBM2

64bit

Memory Bus

1024bit

40.00GB/s

Bandwidth

189.4GB/s

Render Config

-

SM Count

-

Compute Units

20

384

Shading Units

1280

32

TMUs

80

8

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

1024 KB

Theoretical Performance

5.960 GPixel/s

Pixel Rate

41.06 GPixel/s

23.84 GTexel/s

Texture Rate

102.6 GTexel/s

-

FP16 (half)

6.569 TFLOPS

572.2 GFLOPS

FP32 (float)

3.284 TFLOPS

23.84 GFLOPS

FP64 (double)

205.3 GFLOPS

Graphics Processor

GK107

GPU Name

Vega 12

N13P-GS

GPU Variant

Vega 12 XTA

Kepler

Architecture

GCN 5.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

1.27 billion

Transistors

Unknown

118 mm²

Die Size

Unknown

Board Design

32W

TDP

100W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

-

Graphics Features

12 (11_0)

DirectX

12 (12_1)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.1

Vulkan

1.2

3.0

CUDA

-

5.1

Shader Model

6.3

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