Home GPU Comparison NVIDIA GeForce 840M vs NVIDIA GeForce RTX 3080 Max Q

NVIDIA GeForce 840M vs NVIDIA GeForce RTX 3080 Max Q

NVIDIA GeForce 840M
VS
NVIDIA GeForce RTX 3080 Max Q
NVIDIA GeForce 840M
NVIDIA GeForce RTX 3080 Max Q
We compared two Mobile platform GPUs: 2GB VRAM GeForce 840M and 8GB VRAM GeForce RTX 3080 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 3080 Max Q 's Advantages
Released 6 years and 10 months late
Boost Clock has increased by 11% (1245MHz vs 1124MHz)
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (384.0GB/s vs 16.02GB/s)
5760 additional rendering cores

Score

Benchmark

FP32 (float)
GeForce 840M
0.863 TFLOPS
GeForce RTX 3080 Max Q +1672%
15.3 TFLOPS
GeForce 840M
VS
GeForce RTX 3080 Max Q

Graphics Card

Mar 2014
Release Date
Jan 2021
GeForce 800M
Generation
GeForce 30 Mobile
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
PCIe 4.0 x16

Clock Speeds

1029 MHz
Base Clock
780 MHz
1124 MHz
Boost Clock
1245 MHz
1001 MHz
Memory Clock
1500 MHz

Memory

2GB
Memory Size
8GB
DDR3
Memory Type
GDDR6
64bit
Memory Bus
256bit
16.02GB/s
Bandwidth
384.0GB/s

Render Config

-
-
-
-
SM Count
48
384
Shading Units
6144
16
TMUs
192
8
ROPs
96
-
Tensor Cores
192
-
RT Cores
48
64 KB (per SMM)
L1 Cache
128 KB (per SM)
1024 KB
L2 Cache
4 MB
-
-
-

Theoretical Performance

8.992 GPixel/s
Pixel Rate
119.5 GPixel/s
17.98 GTexel/s
Texture Rate
239.0 GTexel/s
-
FP16 (half)
15.30 TFLOPS
863.2 GFLOPS
FP32 (float)
15.30 TFLOPS
26.98 GFLOPS
FP64 (double)
239.0 GFLOPS

Board Design

33W
TDP
80W
-
-
-
No outputs
Outputs
No outputs
-
Power Connectors
None

Graphics Processor

GM108
GPU Name
GA104
N15S-GT
GPU Variant
GA104-775-A1
Maxwell
Architecture
Ampere
TSMC
Foundry
Samsung
28 nm
Process Size
8 nm
Unknown
Transistors
17.4 billion
Unknown
Die Size
392 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
8.6
5.1
Shader Model
6.6

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