Home GPU Comparison NVIDIA GeForce RTX 3080 Max Q vs NVIDIA GeForce 845M

NVIDIA GeForce RTX 3080 Max Q vs NVIDIA GeForce 845M

We compared two Mobile platform GPUs: 8GB VRAM GeForce RTX 3080 Max Q and 2GB VRAM GeForce 845M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 3080 Max Q 's Advantages
Released 5 years and 5 months late
Boost Clock has increased by 6% (1245MHz vs 1176MHz)
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (384.0GB/s vs 40.10GB/s)
5760 additional rendering cores
NVIDIA GeForce 845M 's Advantages
Lower TDP (33W vs 80W)

Score

Benchmark

FP32 (float)
GeForce RTX 3080 Max Q +1594%
15.3 TFLOPS
GeForce 845M
0.903 TFLOPS
VS

Graphics Card

Jan 2021
Release Date
Aug 2015
GeForce 30 Mobile
Generation
GeForce 800M
Mobile
Type
Mobile
PCIe 4.0 x16
Bus Interface
PCIe 3.0 x8

Clock Speeds

780 MHz
Base Clock
1071 MHz
1245 MHz
Boost Clock
1176 MHz
1500 MHz
Memory Clock
1253 MHz

Memory

8GB
Memory Size
2GB
GDDR6
Memory Type
GDDR5
256bit
Memory Bus
64bit
384.0GB/s
Bandwidth
40.10GB/s

Render Config

-
-
-
48
SM Count
-
6144
Shading Units
384
192
TMUs
32
96
ROPs
16
192
Tensor Cores
-
48
RT Cores
-
128 KB (per SM)
L1 Cache
64 KB (per SMM)
4 MB
L2 Cache
1024 KB
-
-
-

Theoretical Performance

119.5 GPixel/s
Pixel Rate
18.82 GPixel/s
239.0 GTexel/s
Texture Rate
37.63 GTexel/s
15.30 TFLOPS
FP16 (half)
-
15.30 TFLOPS
FP32 (float)
903.2 GFLOPS
239.0 GFLOPS
FP64 (double)
28.22 GFLOPS

Board Design

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

Graphics Processor

GA104
GPU Name
GM108
GA104-775-A1
GPU Variant
-
Ampere
Architecture
Maxwell
Samsung
Foundry
TSMC
8 nm
Process Size
28 nm
17.4 billion
Transistors
Unknown
392 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
8.6
CUDA
5.0
6.6
Shader Model
5.1

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