NVIDIA GeForce 840A vs NVIDIA GeForce RTX 2070 Mobile

VS

NVIDIA GeForce 840A

NVIDIA GeForce RTX 2070 Mobile

We compared two Mobile platform GPUs: 2GB VRAM GeForce 840A and 8GB VRAM GeForce RTX 2070 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 840A 's Advantages

Lower TDP (33W vs 115W)

NVIDIA GeForce RTX 2070 Mobile 's Advantages

Released 4 years and 10 months late

Boost Clock has increased by 28% (1440MHz vs 1124MHz)

More VRAM (8GB vs 2GB)

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

1920 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 840A

0.863 TFLOPS

GeForce RTX 2070 Mobile +668%

6.636 TFLOPS

GeForce 840A

VS

GeForce RTX 2070 Mobile

Graphics Card

Mar 2014

Release Date

Jan 2019

GeForce 800A

Generation

GeForce 20 Mobile

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1029 MHz

Base Clock

1215 MHz

1124 MHz

Boost Clock

1440 MHz

1001 MHz

Memory Clock

1750 MHz

Memory

2GB

Memory Size

8GB

DDR3

Memory Type

GDDR6

64bit

Memory Bus

256bit

16.02GB/s

Bandwidth

448.0GB/s

Render Config

-

SM Count

36

384

Shading Units

2304

16

TMUs

144

8

ROPs

64

-

Tensor Cores

288

-

RT Cores

36

64 KB (per SMM)

L1 Cache

64 KB (per SM)

1024 KB

L2 Cache

4 MB

-

Theoretical Performance

8.992 GPixel/s

Pixel Rate

92.16 GPixel/s

17.98 GTexel/s

Texture Rate

207.4 GTexel/s

-

FP16 (half)

13.27 TFLOPS

863.2 GFLOPS

FP32 (float)

6.636 TFLOPS

26.98 GFLOPS

FP64 (double)

207.4 GFLOPS

Board Design

33W

TDP

115W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

GM108

GPU Name

TU106

-

GPU Variant

N18E-G2-A1

Maxwell

Architecture

Turing

TSMC

Foundry

TSMC

28 nm

Process Size

12 nm

Unknown

Transistors

10.8 billion

Unknown

Die Size

445 mm²

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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