GeForce RTX 3080 Ti Mobile vs Radeon R9 M390 Mac Edition
We compared two Mobile platform GPUs: 16GB VRAM GeForce RTX 3080 Ti Mobile and 2GB VRAM Radeon R9 M390 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce RTX 3080 Ti Mobile 's Advantages
Released 6 years and 8 months late
Boost Clock1260MHz
More VRAM (16GB vs 2GB)
Larger VRAM bandwidth (512.0GB/s vs 174.7GB/s)
6400 additional rendering cores
Radeon R9 M390 Mac Edition 's Advantages
Lower TDP (80W vs 115W)
Score
Benchmark
FP32 (float)
GeForce RTX 3080 Ti Mobile
+853%
18710
Radeon R9 M390 Mac Edition
1962
Graphics Card
Jan 2022
Release Date
May 2015
GeForce 30 Mobile
Generation
Crystal System
Mobile
Type
Mobile
PCIe 4.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
810 MHz
Base Clock
-
1260 MHz
Boost Clock
-
2000 MHz
Memory Clock
1365 MHz
Memory
16GB
Memory Size
2GB
GDDR6
Memory Type
GDDR5
256bit
Memory Bus
256bit
512.0GB/s
Bandwidth
174.7GB/s
Render Config
-
Compute Units
16
58
SM Count
-
7424
Shading Units
1024
232
TMUs
64
96
ROPs
32
232
Tensor Cores
-
58
RT Cores
-
128 KB (per SM)
L1 Cache
16 KB (per CU)
4 MB
L2 Cache
512 KB
Theoretical Performance
121.0 GPixel/s
Pixel Rate
30.66 GPixel/s
292.3 GTexel/s
Texture Rate
61.31 GTexel/s
18.71 TFLOPS
FP16 (half)
-
18.71 TFLOPS
FP32 (float)
1.962 TFLOPS
292.3 GFLOPS
FP64 (double)
122.6 GFLOPS
Board Design
115W
TDP
80W
No outputs
Outputs
No outputs
None
Power Connectors
None
Graphics Processor
GA103S
GPU Name
Pitcairn
GN20-E8-A1
GPU Variant
Pitcairn PRO
(215-0828062)
Ampere
Architecture
GCN 1.0
Samsung
Foundry
TSMC
8 nm
Process Size
28 nm
Unknown
Transistors
2.8 billion
496 mm²
Die Size
212 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 (11_1)
4.6
OpenGL
4.6
3.0
OpenCL
1.2
1.3
Vulkan
1.2
8.6
CUDA
-
6.5
Shader Model
5.1
