NVIDIA GeForce 840A vs NVIDIA GeForce RTX 2070 Mobile Refresh

VS

NVIDIA GeForce 840A

NVIDIA GeForce RTX 2070 Mobile Refresh

We compared two Mobile platform GPUs: 2GB VRAM GeForce 840A and 8GB VRAM GeForce RTX 2070 Mobile Refresh 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 Refresh 's Advantages

Released 6 years late

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

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (352.0GB/s vs 16.02GB/s)

1920 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 840A

0.863 TFLOPS

GeForce RTX 2070 Mobile Refresh +676%

6.705 TFLOPS

GeForce 840A

VS

GeForce RTX 2070 Mobile Refresh

Graphics Card

Mar 2014

Release Date

Mar 2020

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

1260 MHz

1124 MHz

Boost Clock

1455 MHz

1001 MHz

Memory Clock

1375 MHz

Memory

2GB

Memory Size

8GB

DDR3

Memory Type

GDDR6

64bit

Memory Bus

256bit

16.02GB/s

Bandwidth

352.0GB/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

93.12 GPixel/s

17.98 GTexel/s

Texture Rate

209.5 GTexel/s

-

FP16 (half)

13.41 TFLOPS

863.2 GFLOPS

FP32 (float)

6.705 TFLOPS

26.98 GFLOPS

FP64 (double)

209.5 GFLOPS

Board Design

33W

TDP

115W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

GM108

GPU Name

TU106B

-

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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