Home GPU Comparison NVIDIA GeForce 840M vs NVIDIA GeForce RTX 2070 Mobile

NVIDIA GeForce 840M vs NVIDIA GeForce RTX 2070 Mobile

We compared two Mobile platform GPUs: 2GB VRAM GeForce 840M 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 840M '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 840M
0.863 TFLOPS
GeForce RTX 2070 Mobile +668%
6.636 TFLOPS
VS

Graphics Card

Mar 2014
Release Date
Jan 2019
GeForce 800M
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
N15S-GT
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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