NVIDIA GeForce RTX 2080 Max Q vs NVIDIA GeForce GT 640M Mac Edition

VS

NVIDIA GeForce RTX 2080 Max Q

NVIDIA GeForce GT 640M Mac Edition

We compared two Mobile platform GPUs: 8GB VRAM GeForce RTX 2080 Max Q and 512MB VRAM GeForce GT 640M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 2080 Max Q 's Advantages

Released 5 years and 11 months late

Boost Clock1095MHz

More VRAM (8GB vs 512GB)

Larger VRAM bandwidth (384.0GB/s vs 40.00GB/s)

2560 additional rendering cores

NVIDIA GeForce GT 640M Mac Edition 's Advantages

Lower TDP (32W vs 80W)

Score

Benchmark

FP32 (float)

GeForce RTX 2080 Max Q +1027%

6.447 TFLOPS

GeForce GT 640M Mac Edition

0.572 TFLOPS

GeForce RTX 2080 Max Q

VS

GeForce GT 640M Mac Edition

Graphics Card

Jan 2019

Release Date

Feb 2013

GeForce 20 Mobile

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

735 MHz

Base Clock

-

1095 MHz

Boost Clock

-

1500 MHz

Memory Clock

1250 MHz

Memory

8GB

Memory Size

512MB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

64bit

384.0GB/s

Bandwidth

40.00GB/s

Render Config

-

46

SM Count

-

2944

Shading Units

384

184

TMUs

32

64

ROPs

8

368

Tensor Cores

-

46

RT Cores

-

64 KB (per SM)

L1 Cache

16 KB (per SMX)

4 MB

L2 Cache

128 KB

-

Theoretical Performance

70.08 GPixel/s

Pixel Rate

5.960 GPixel/s

201.5 GTexel/s

Texture Rate

23.84 GTexel/s

12.89 TFLOPS

FP16 (half)

-

6.447 TFLOPS

FP32 (float)

572.2 GFLOPS

201.5 GFLOPS

FP64 (double)

23.84 GFLOPS

Board Design

80W

TDP

32W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

TU104

GPU Name

GK107

N18E-G3-A1

GPU Variant

N13P-GS

Turing

Architecture

Kepler

TSMC

Foundry

TSMC

12 nm

Process Size

28 nm

13.6 billion

Transistors

1.27 billion

545 mm²

Die Size

118 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.1

7.5

CUDA

3.0

6.6

Shader Model

5.1

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