NVIDIA GeForce 840M vs NVIDIA GeForce RTX 4090 Max-Q

VS

NVIDIA GeForce 840M NVIDIA GeForce RTX 4090 Max-Q

We compared two Mobile platform GPUs: 2GB VRAM GeForce 840M and 16GB VRAM GeForce RTX 4090 Max Q to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 840M 's Advantages

Lower TDP (33W vs 80W)

NVIDIA GeForce RTX 4090 Max-Q 's Advantages

Released 8 years and 10 months late

Boost Clock has increased by 29% (1455MHz vs 1124MHz)

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (448.0GB/s vs 16.02GB/s)

9344 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 840M

0.863 TFLOPS

GeForce RTX 4090 Max Q +3180%

28.31 TFLOPS

GeForce 840M

VS

GeForce RTX 4090 Max Q

Graphics Card

Mar 2014

Release Date

Jan 2023

GeForce 800M

Generation

GeForce 40 Mobile

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 4.0 x16

Clock Speeds

1029 MHz

Base Clock

930 MHz

1124 MHz

Boost Clock

1455 MHz

1001 MHz

Memory Clock

1750 MHz

Memory

2GB

Memory Size

16GB

DDR3

Memory Type

GDDR6

64bit

Memory Bus

256bit

16.02GB/s

Bandwidth

448.0GB/s

Render Config

-

SM Count

76

-

Compute Units

-

384

Shading Units

9728

16

TMUs

304

8

ROPs

112

-

Tensor Cores

304

-

RT Cores

76

64 KB (per SMM)

L1 Cache

128 KB (per SM)

1024 KB

L2 Cache

64 MB

Theoretical Performance

8.992 GPixel/s

Pixel Rate

163.0 GPixel/s

17.98 GTexel/s

Texture Rate

442.3 GTexel/s

-

FP16 (half)

28.31 TFLOPS

863.2 GFLOPS

FP32 (float)

28.31 TFLOPS

26.98 GFLOPS

FP64 (double)

442.3 GFLOPS

Graphics Processor

GM108

GPU Name

AD103

N15S-GT

GPU Variant

GN21-X11

Maxwell

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

28 nm

Process Size

4 nm

Unknown

Transistors

45.9 billion

Unknown

Die Size

379 mm²

Board Design

33W

TDP

80W

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

None

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

8.9

5.1

Shader Model

6.7

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