NVIDIA GeForce RTX 3080 Ti Mobile vs NVIDIA GeForce 840M

VS

NVIDIA GeForce RTX 3080 Ti Mobile NVIDIA GeForce 840M

We compared two Mobile platform GPUs: 16GB VRAM GeForce RTX 3080 Ti Mobile and 2GB VRAM GeForce 840M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 3080 Ti Mobile 's Advantages

Released 7 years and 10 months late

Boost Clock has increased by 12% (1260MHz vs 1124MHz)

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (512.0GB/s vs 16.02GB/s)

7040 additional rendering cores

NVIDIA GeForce 840M 's Advantages

Lower TDP (33W vs 115W)

Score

Benchmark

FP32 (float)

GeForce RTX 3080 Ti Mobile +2068%

18.71 TFLOPS

GeForce 840M

0.863 TFLOPS

Blender

GeForce RTX 3080 Ti Mobile +5353%

3654

GeForce 840M

67

GeForce RTX 3080 Ti Mobile

VS

GeForce 840M

Graphics Card

Jan 2022

Release Date

Mar 2014

GeForce 30 Mobile

Generation

GeForce 800M

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

810 MHz

Base Clock

1029 MHz

1260 MHz

Boost Clock

1124 MHz

2000 MHz

Memory Clock

1001 MHz

Memory

16GB

Memory Size

2GB

GDDR6

Memory Type

DDR3

256bit

Memory Bus

64bit

512.0GB/s

Bandwidth

16.02GB/s

Render Config

58

SM Count

-

Compute Units

-

7424

Shading Units

384

232

TMUs

16

96

ROPs

8

232

Tensor Cores

-

58

RT Cores

-

128 KB (per SM)

L1 Cache

64 KB (per SMM)

4 MB

L2 Cache

1024 KB

Theoretical Performance

121.0 GPixel/s

Pixel Rate

8.992 GPixel/s

292.3 GTexel/s

Texture Rate

17.98 GTexel/s

18.71 TFLOPS

FP16 (half)

-

18.71 TFLOPS

FP32 (float)

863.2 GFLOPS

292.3 GFLOPS

FP64 (double)

26.98 GFLOPS

Graphics Processor

GA103S

GPU Name

GM108

GN20-E8-A1

GPU Variant

N15S-GT

Ampere

Architecture

Maxwell

Samsung

Foundry

TSMC

8 nm

Process Size

28 nm

Unknown

Transistors

Unknown

496 mm²

Die Size

Unknown

Board Design

115W

TDP

33W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.3

8.6

CUDA

5.0

6.5

Shader Model

5.1

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