NVIDIA GeForce 840M vs NVIDIA GeForce GTX 1080 Max Q

VS

NVIDIA GeForce 840M NVIDIA GeForce GTX 1080 Max Q

We compared two Mobile platform GPUs: 2GB VRAM GeForce 840M and 8GB VRAM GeForce GTX 1080 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 150W)

NVIDIA GeForce GTX 1080 Max Q 's Advantages

Released 3 years and 3 months late

Boost Clock has increased by 31% (1468MHz vs 1124MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (320.3GB/s vs 16.02GB/s)

2176 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 840M

0.863 TFLOPS

GeForce GTX 1080 Max Q +770%

7.516 TFLOPS

GeForce 840M

VS

GeForce GTX 1080 Max Q

Graphics Card

Mar 2014

Release Date

Jun 2017

GeForce 800M

Generation

GeForce 10 Mobile

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1029 MHz

Base Clock

1290 MHz

1124 MHz

Boost Clock

1468 MHz

1001 MHz

Memory Clock

1251 MHz

Memory

2GB

Memory Size

8GB

DDR3

Memory Type

GDDR5X

64bit

Memory Bus

256bit

16.02GB/s

Bandwidth

320.3GB/s

Render Config

-

SM Count

20

-

Compute Units

-

384

Shading Units

2560

16

TMUs

160

8

ROPs

64

-

Tensor Cores

-

RT Cores

-

64 KB (per SMM)

L1 Cache

48 KB (per SM)

1024 KB

L2 Cache

2 MB

Theoretical Performance

8.992 GPixel/s

Pixel Rate

93.95 GPixel/s

17.98 GTexel/s

Texture Rate

234.9 GTexel/s

-

FP16 (half)

117.4 GFLOPS

863.2 GFLOPS

FP32 (float)

7.516 TFLOPS

26.98 GFLOPS

FP64 (double)

234.9 GFLOPS

Graphics Processor

GM108

GPU Name

GP104

N15S-GT

GPU Variant

N17E-G3-A1

Maxwell

Architecture

Pascal

TSMC

Foundry

TSMC

28 nm

Process Size

16 nm

Unknown

Transistors

7.2 billion

Unknown

Die Size

314 mm²

Board Design

33W

TDP

150W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Features

12 (11_0)

DirectX

12 (12_1)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.3

5.0

CUDA

6.1

5.1

Shader Model

6.4

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