Home GPU Comparison NVIDIA GeForce RTX 3080 Mobile vs NVIDIA GeForce RTX 3080 Mobile 16 GB

NVIDIA GeForce RTX 3080 Mobile vs NVIDIA GeForce RTX 3080 Mobile 16 GB

We compared two Mobile platform GPUs: 8GB VRAM GeForce RTX 3080 Mobile and 16GB VRAM GeForce RTX 3080 Mobile 16 GB to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 3080 Mobile 16 GB 's Advantages
More VRAM (16GB vs 8GB)

Score

Benchmark

FP32 (float)
GeForce RTX 3080 Mobile
18.98 TFLOPS
GeForce RTX 3080 Mobile 16 GB
18.98 TFLOPS
VS

Graphics Card

Jan 2021
Release Date
Jan 2021
GeForce 30 Mobile
Generation
GeForce 30 Mobile
Mobile
Type
Mobile
PCIe 4.0 x16
Bus Interface
PCIe 4.0 x16

Clock Speeds

1110 MHz
Base Clock
1110 MHz
1545 MHz
Boost Clock
1545 MHz
1750 MHz
Memory Clock
1750 MHz

Memory

8GB
Memory Size
16GB
GDDR6
Memory Type
GDDR6
256bit
Memory Bus
256bit
448.0GB/s
Bandwidth
448.0GB/s

Render Config

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

Theoretical Performance

148.3 GPixel/s
Pixel Rate
148.3 GPixel/s
296.6 GTexel/s
Texture Rate
296.6 GTexel/s
18.98 TFLOPS
FP16 (half)
18.98 TFLOPS
18.98 TFLOPS
FP32 (float)
18.98 TFLOPS
296.6 GFLOPS
FP64 (double)
296.6 GFLOPS

Board Design

115W
TDP
115W
-
-
-
No outputs
Outputs
Portable Device Dependent
None
Power Connectors
None

Graphics Processor

GA104
GPU Name
GA104
GA104-775-A1
GPU Variant
GA104-775-A1
Ampere
Architecture
Ampere
Samsung
Foundry
Samsung
8 nm
Process Size
8 nm
17.4 billion
Transistors
17.4 billion
392 mm²
Die Size
392 mm²

Graphics Features

12 Ultimate (12_2)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.3
Vulkan
1.3
8.6
CUDA
8.6
6.6
Shader Model
6.8

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