GeForce RTX 2080 Max Q vs GeForce 840M
We compared two Mobile platform GPUs: 8GB VRAM GeForce RTX 2080 Max Q and 2GB VRAM GeForce 840M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce RTX 2080 Max Q 's Advantages
Released 4 years and 10 months late
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (384.0GB/s vs 16.02GB/s)
2560 additional rendering cores
GeForce 840M 's Advantages
Boost Clock has increased by 3% (1124MHz vs 1095MHz)
Lower TDP (33W vs 80W)
Score
Benchmark
FP32 (float)
GeForce RTX 2080 Max Q
+647%
6447
GeForce 840M
863
3DMark Time Spy
GeForce RTX 2080 Max Q
+1503%
7968
GeForce 840M
497
3DMark Time Spy Extreme
GeForce RTX 2080 Max Q
+3241%
3676
GeForce 840M
110
Blender
GeForce RTX 2080 Max Q
+2637%
1834
GeForce 840M
67
Graphics Card
Jan 2019
Release Date
Mar 2014
GeForce 20 Mobile
Generation
GeForce 800M
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x8
Clock Speeds
735 MHz
Base Clock
1029 MHz
1095 MHz
Boost Clock
1124 MHz
1500 MHz
Memory Clock
1001 MHz
Memory
8GB
Memory Size
2GB
GDDR6
Memory Type
DDR3
256bit
Memory Bus
64bit
384.0GB/s
Bandwidth
16.02GB/s
Render Config
46
SM Count
-
2944
Shading Units
384
184
TMUs
16
64
ROPs
8
368
Tensor Cores
-
46
RT Cores
-
64 KB (per SM)
L1 Cache
64 KB (per SMM)
4 MB
L2 Cache
1024 KB
Theoretical Performance
70.08 GPixel/s
Pixel Rate
8.992 GPixel/s
201.5 GTexel/s
Texture Rate
17.98 GTexel/s
12.89 TFLOPS
FP16 (half)
-
6.447 TFLOPS
FP32 (float)
863.2 GFLOPS
201.5 GFLOPS
FP64 (double)
26.98 GFLOPS
Board Design
80W
TDP
33W
No outputs
Outputs
No outputs
None
Power Connectors
-
Graphics Processor
TU104
GPU Name
GM108
N18E-G3-A1
GPU Variant
N15S-GT
Turing
Architecture
Maxwell
TSMC
Foundry
TSMC
12 nm
Process Size
28 nm
13.6 billion
Transistors
Unknown
545 mm²
Die Size
Unknown
Graphics Features
12 Ultimate (12_2)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.3
Vulkan
1.3
7.5
CUDA
5.0
6.6
Shader Model
5.1
