Home GPU Comparison NVIDIA GeForce RTX 3080 Ti Mobile vs NVIDIA GeForce 945M

NVIDIA GeForce RTX 3080 Ti Mobile vs NVIDIA GeForce 945M

We compared two Mobile platform GPUs: 16GB VRAM GeForce RTX 3080 Ti Mobile and 1024MB VRAM GeForce 945M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 3080 Ti Mobile 's Advantages
Released 5 years and 9 months late
Boost Clock has increased by 6% (1260MHz vs 1189MHz)
More VRAM (16GB vs 1GB)
Larger VRAM bandwidth (512.0GB/s vs 16.02GB/s)
7040 additional rendering cores
NVIDIA GeForce 945M 's Advantages
Lower TDP (23W vs 115W)

Score

Benchmark

FP32 (float)
GeForce RTX 3080 Ti Mobile +1949%
18.71 TFLOPS
GeForce 945M
0.913 TFLOPS
VS

Graphics Card

Jan 2022
Release Date
Apr 2016
GeForce 30 Mobile
Generation
GeForce 900M
Mobile
Type
Mobile
PCIe 4.0 x16
Bus Interface
PCIe 3.0 x8

Clock Speeds

810 MHz
Base Clock
1006 MHz
1260 MHz
Boost Clock
1189 MHz
2000 MHz
Memory Clock
1001 MHz

Memory

16GB
Memory Size
1024MB
GDDR6
Memory Type
DDR3
256bit
Memory Bus
64bit
512.0GB/s
Bandwidth
16.02GB/s

Render Config

58
SM Count
-
-
Compute Units
-
7424
Shading Units
384
232
TMUs
24
96
ROPs
8
232
Tensor Cores
-
58
RT Cores
-
128 KB (per SM)
L1 Cache
64 KB (per SMM)
4 MB
L2 Cache
1024 KB

Theoretical Performance

121.0 GPixel/s
Pixel Rate
9.512 GPixel/s
292.3 GTexel/s
Texture Rate
28.54 GTexel/s
18.71 TFLOPS
FP16 (half)
-
18.71 TFLOPS
FP32 (float)
913.2 GFLOPS
292.3 GFLOPS
FP64 (double)
28.54 GFLOPS

Graphics Processor

GA103S
GPU Name
GM108
GN20-E8-A1
GPU Variant
-
Ampere
Architecture
Maxwell
Samsung
Foundry
TSMC
8 nm
Process Size
28 nm
Unknown
Transistors
Unknown
496 mm²
Die Size
Unknown

Board Design

115W
TDP
23W
-
Suggested PSU
-
No outputs
Outputs
No outputs
None
Power Connectors
None

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
6.5
Shader Model
5.1

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