NVIDIA GeForce RTX 5070 Ti Mobile vs AMD Radeon R5 M255
We compared two Mobile platform GPUs: 12GB VRAM GeForce RTX 5070 Ti Mobile and 2GB VRAM Radeon R5 M255 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce RTX 5070 Ti Mobile 's Advantages
Released 10 years and 5 months late
Boost Clock has increased by 54% (1447MHz vs 940MHz)
More VRAM (12GB vs 2GB)
Larger VRAM bandwidth (672.0GB/s vs 32.00GB/s)
5504 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce RTX 5070 Ti Mobile
+2263%
17.04 TFLOPS
Radeon R5 M255
0.721 TFLOPS
Graphics Card
Mar 2025
Release Date
Oct 2014
GeForce 50 Mobile
Generation
Gem System
Mobile
Type
Mobile
PCIe 5.0 x16
Bus Interface
PCIe 3.0 x8
Clock Speeds
847 MHz
Base Clock
925 MHz
1447 MHz
Boost Clock
940 MHz
1750 MHz
Memory Clock
1000 MHz
Memory
12GB
Memory Size
2GB
GDDR7
Memory Type
DDR3
192bit
Memory Bus
128bit
672.0GB/s
Bandwidth
32.00GB/s
Render Config
-
Compute Units
6
46
SM Count
-
5888
Shading Units
384
184
TMUs
24
80
ROPs
8
184
Tensor Cores
-
46
RT Cores
-
128 KB (per SM)
L1 Cache
16 KB (per CU)
48 MB
L2 Cache
256 KB
-
-
-
Theoretical Performance
115.8 GPixel/s
Pixel Rate
7.520 GPixel/s
266.2 GTexel/s
Texture Rate
22.56 GTexel/s
17.04 TFLOPS
FP16 (half)
721.9 GFLOPS
17.04 TFLOPS
FP32 (float)
721.9 GFLOPS
266.2 GFLOPS
FP64 (double)
45.12 GFLOPS
Board Design
60W
TDP
Unknown
250 W
Suggested PSU
-
Portable Device Dependent
Outputs
Portable Device Dependent
None
Power Connectors
-
Graphics Processor
GB205
GPU Name
Topaz
GB205
GPU Variant
Topaz PRO
(216-0858030)
Blackwell 2.0
Architecture
GCN 3.0
TSMC
Foundry
TSMC
5 nm
Process Size
28 nm
31.1 billion
Transistors
1.55 billion
263 mm²
Die Size
125 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 (12_0)
4.6
OpenGL
4.6
3.0
OpenCL
2.1
1.4
Vulkan
1.2.170
12.0
CUDA
-
6.8
Shader Model
6.5
