NVIDIA GeForce RTX 5070 Mobile vs NVIDIA GeForce RTX 3080 Ti Mobile
We compared two Mobile platform GPUs: 8GB VRAM GeForce RTX 5070 Mobile and 16GB VRAM GeForce RTX 3080 Ti Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce RTX 5070 Mobile 's Advantages
Released 3 years and 3 months late
Boost Clock has increased by 13% (1425MHz vs 1260MHz)
Lower TDP (50W vs 115W)
NVIDIA GeForce RTX 3080 Ti Mobile 's Advantages
More VRAM (16GB vs 8GB)
Larger VRAM bandwidth (512.0GB/s vs 384.0GB/s)
2816 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce RTX 5070 Mobile
13.13 TFLOPS
GeForce RTX 3080 Ti Mobile
+42%
18.71 TFLOPS
Graphics Card
Apr 2025
Release Date
Jan 2022
GeForce 50 Mobile
Generation
GeForce 30 Mobile
Mobile
Type
Mobile
PCIe 5.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
907 MHz
Base Clock
810 MHz
1425 MHz
Boost Clock
1260 MHz
1500 MHz
Memory Clock
2000 MHz
Memory
8GB
Memory Size
16GB
GDDR7
Memory Type
GDDR6
128bit
Memory Bus
256bit
384.0GB/s
Bandwidth
512.0GB/s
Render Config
-
-
-
36
SM Count
58
4608
Shading Units
7424
144
TMUs
232
48
ROPs
96
144
Tensor Cores
232
36
RT Cores
58
128 KB (per SM)
L1 Cache
128 KB (per SM)
32 MB
L2 Cache
4 MB
-
-
-
Theoretical Performance
68.40 GPixel/s
Pixel Rate
121.0 GPixel/s
205.2 GTexel/s
Texture Rate
292.3 GTexel/s
13.13 TFLOPS
FP16 (half)
18.71 TFLOPS
13.13 TFLOPS
FP32 (float)
18.71 TFLOPS
205.2 GFLOPS
FP64 (double)
292.3 GFLOPS
Board Design
50W
TDP
115W
300 W
Suggested PSU
-
Portable Device Dependent
Outputs
No outputs
None
Power Connectors
None
Graphics Processor
GB206
GPU Name
GA103S
GB206
GPU Variant
GN20-E8-A1
Blackwell 2.0
Architecture
Ampere
TSMC
Foundry
Samsung
5 nm
Process Size
8 nm
21.9 billion
Transistors
Unknown
181 mm²
Die Size
496 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.4
Vulkan
1.3
12.0
CUDA
8.6
6.8
Shader Model
6.5
