Home GPU Comparison NVIDIA GeForce RTX 3080 Mobile 16 GB vs AMD Radeon RX 6700S

NVIDIA GeForce RTX 3080 Mobile 16 GB vs AMD Radeon RX 6700S

We compared two Mobile platform GPUs: 16GB VRAM GeForce RTX 3080 Mobile 16 GB and 8GB VRAM Radeon RX 6700S 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)
Larger VRAM bandwidth (448.0GB/s vs 224.0GB/s)
4352 additional rendering cores
AMD Radeon RX 6700S 's Advantages
Released 1 years late
Boost Clock has increased by 29% (2000MHz vs 1545MHz)
Lower TDP (80W vs 115W)

Score

Benchmark

FP32 (float)
GeForce RTX 3080 Mobile 16 GB +164%
18.98 TFLOPS
Radeon RX 6700S
7.168 TFLOPS
VS

Graphics Card

Jan 2021
Release Date
Jan 2022
GeForce 30 Mobile
Generation
Mobility Radeon
Mobile
Type
Mobile
PCIe 4.0 x16
Bus Interface
PCIe 4.0 x8

Clock Speeds

1110 MHz
Base Clock
1700 MHz
1545 MHz
Boost Clock
2000 MHz
1750 MHz
Memory Clock
1750 MHz

Memory

16GB
Memory Size
8GB
GDDR6
Memory Type
GDDR6
256bit
Memory Bus
128bit
448.0GB/s
Bandwidth
224.0GB/s

Render Config

-
Compute Units
28
48
SM Count
-
6144
Shading Units
1792
192
TMUs
112
96
ROPs
64
192
Tensor Cores
-
48
RT Cores
28
128 KB (per SM)
L1 Cache
128 KB per Array
4 MB
L2 Cache
2 MB
-
L3 Cache
32 MB

Theoretical Performance

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

Board Design

115W
TDP
80W
-
-
-
Portable Device Dependent
Outputs
No outputs
None
Power Connectors
None

Graphics Processor

GA104
GPU Name
Navi 23
GA104-775-A1
GPU Variant
-
Ampere
Architecture
RDNA 2.0
Samsung
Foundry
TSMC
8 nm
Process Size
7 nm
17.4 billion
Transistors
11.06 billion
392 mm²
Die Size
237 mm²

Graphics Features

12 Ultimate (12_2)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
3.0
OpenCL
2.1
1.3
Vulkan
1.3
8.6
CUDA
-
6.8
Shader Model
6.5

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