GeForce RTX 3080 Ti Mobile vs GeForce RTX 5070 Ti Mobile
We compared two Mobile platform GPUs: 16GB VRAM GeForce RTX 3080 Ti Mobile and 12GB VRAM GeForce RTX 5070 Ti Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce RTX 3080 Ti Mobile 's Advantages
More VRAM (16GB vs 12GB)
1536 additional rendering cores
GeForce RTX 5070 Ti Mobile 's Advantages
Released 3 years and 2 months late
Boost Clock has increased by 15% (1447MHz vs 1260MHz)
Larger VRAM bandwidth (672.0GB/s vs 512.0GB/s)
Lower TDP (60W vs 115W)
Score
Benchmark
FP32 (float)
GeForce RTX 3080 Ti Mobile
+9%
18710
GeForce RTX 5070 Ti Mobile
17040
Graphics Card
Jan 2022
Release Date
Mar 2025
GeForce 30 Mobile
Generation
GeForce 50 Mobile
Mobile
Type
Mobile
PCIe 4.0 x16
Bus Interface
PCIe 5.0 x16
Clock Speeds
810 MHz
Base Clock
847 MHz
1260 MHz
Boost Clock
1447 MHz
2000 MHz
Memory Clock
1750 MHz
Memory
16GB
Memory Size
12GB
GDDR6
Memory Type
GDDR7
256bit
Memory Bus
192bit
512.0GB/s
Bandwidth
672.0GB/s
Render Config
58
SM Count
46
7424
Shading Units
5888
232
TMUs
184
96
ROPs
80
232
Tensor Cores
184
58
RT Cores
46
128 KB (per SM)
L1 Cache
128 KB (per SM)
4 MB
L2 Cache
48 MB
Theoretical Performance
121.0 GPixel/s
Pixel Rate
115.8 GPixel/s
292.3 GTexel/s
Texture Rate
266.2 GTexel/s
18.71 TFLOPS
FP16 (half)
17.04 TFLOPS
18.71 TFLOPS
FP32 (float)
17.04 TFLOPS
292.3 GFLOPS
FP64 (double)
266.2 GFLOPS
Board Design
115W
TDP
60W
-
Suggested PSU
250 W
No outputs
Outputs
Portable Device Dependent
None
Power Connectors
None
Graphics Processor
GA103S
GPU Name
GB205
GN20-E8-A1
GPU Variant
GB205
Ampere
Architecture
Blackwell 2.0
Samsung
Foundry
TSMC
8 nm
Process Size
5 nm
Unknown
Transistors
31.1 billion
496 mm²
Die Size
263 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
1.4
8.6
CUDA
12.0
6.5
Shader Model
6.8
