NVIDIA GeForce RTX 2080 SUPER Mobile vs NVIDIA GeForce GT 640M LE

VS

NVIDIA GeForce RTX 2080 SUPER Mobile

NVIDIA GeForce GT 640M LE

We compared two Mobile platform GPUs: 8GB VRAM GeForce RTX 2080 SUPER Mobile and 2GB VRAM GeForce GT 640M LE to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 2080 SUPER Mobile 's Advantages

Released 7 years and 11 months late

Boost Clock1560MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (448.0GB/s vs 50.24GB/s)

2976 additional rendering cores

NVIDIA GeForce GT 640M LE 's Advantages

Lower TDP (32W vs 150W)

Score

Benchmark

FP32 (float)

GeForce RTX 2080 SUPER Mobile +3216%

9.585 TFLOPS

GeForce GT 640M LE

0.289 TFLOPS

GeForce RTX 2080 SUPER Mobile

VS

GeForce GT 640M LE

Graphics Card

Apr 2020

Release Date

May 2012

GeForce 20 Mobile

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1365 MHz

Base Clock

-

1560 MHz

Boost Clock

-

1750 MHz

Memory Clock

785 MHz

Memory

8GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

128bit

448.0GB/s

Bandwidth

50.24GB/s

Render Config

-

48

SM Count

2

3072

Shading Units

96

192

TMUs

16

64

ROPs

4

384

Tensor Cores

-

48

RT Cores

-

64 KB (per SM)

L1 Cache

64 KB (per SM)

4 MB

L2 Cache

256 KB

-

Theoretical Performance

99.84 GPixel/s

Pixel Rate

3.012 GPixel/s

299.5 GTexel/s

Texture Rate

12.05 GTexel/s

19.17 TFLOPS

FP16 (half)

-

9.585 TFLOPS

FP32 (float)

289.0 GFLOPS

299.5 GFLOPS

FP64 (double)

24.08 GFLOPS

Board Design

150W

TDP

32W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

TU104

GPU Name

GF108

N18E-G3

GPU Variant

-

Turing

Architecture

Fermi

TSMC

Foundry

TSMC

12 nm

Process Size

40 nm

13.6 billion

Transistors

0.585 billion

545 mm²

Die Size

116 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

1.1

1.3

Vulkan

N/A

7.5

CUDA

2.1

6.6

Shader Model

5.1

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