NVIDIA GeForce 845M vs NVIDIA GeForce RTX 2080 Mobile

VS

NVIDIA GeForce 845M NVIDIA GeForce RTX 2080 Mobile

We compared two Mobile platform GPUs: 2GB VRAM GeForce 845M and 8GB VRAM GeForce RTX 2080 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 845M 's Advantages

Lower TDP (33W vs 150W)

NVIDIA GeForce RTX 2080 Mobile 's Advantages

Released 3 years and 5 months late

Boost Clock has increased by 35% (1590MHz vs 1176MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (448.0GB/s vs 40.10GB/s)

2560 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 845M

0.903 TFLOPS

GeForce RTX 2080 Mobile +936%

9.362 TFLOPS

GeForce 845M

VS

GeForce RTX 2080 Mobile

Graphics Card

Aug 2015

Release Date

Jan 2019

GeForce 800M

Generation

GeForce 20 Mobile

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1071 MHz

Base Clock

1380 MHz

1176 MHz

Boost Clock

1590 MHz

1253 MHz

Memory Clock

1750 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

64bit

Memory Bus

256bit

40.10GB/s

Bandwidth

448.0GB/s

Render Config

-

SM Count

46

-

Compute Units

-

384

Shading Units

2944

32

TMUs

184

16

ROPs

64

-

Tensor Cores

368

-

RT Cores

46

64 KB (per SMM)

L1 Cache

64 KB (per SM)

1024 KB

L2 Cache

4 MB

Theoretical Performance

18.82 GPixel/s

Pixel Rate

101.8 GPixel/s

37.63 GTexel/s

Texture Rate

292.6 GTexel/s

-

FP16 (half)

18.72 TFLOPS

903.2 GFLOPS

FP32 (float)

9.362 TFLOPS

28.22 GFLOPS

FP64 (double)

292.6 GFLOPS

Graphics Processor

GM108

GPU Name

TU104

-

GPU Variant

N18E-G3-A1

Maxwell

Architecture

Turing

TSMC

Foundry

TSMC

28 nm

Process Size

12 nm

Unknown

Transistors

13.6 billion

Unknown

Die Size

545 mm²

Board Design

33W

TDP

150W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

-

Graphics Features

12 (11_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.3

5.0

CUDA

7.5

5.1

Shader Model

6.6

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