NVIDIA GeForce RTX 5070 Ti Mobile vs AMD Radeon 550X Mobile
We compared two Mobile platform GPUs: 12GB VRAM GeForce RTX 5070 Ti Mobile and 4GB VRAM Radeon 550X Mobile 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 6 years and 11 months late
Boost Clock has increased by 12% (1447MHz vs 1287MHz)
More VRAM (12GB vs 4GB)
Larger VRAM bandwidth (672.0GB/s vs 48.00GB/s)
5248 additional rendering cores
AMD Radeon 550X Mobile 's Advantages
Lower TDP (50W vs 60W)
Score
Benchmark
FP32 (float)
GeForce RTX 5070 Ti Mobile
+934%
17.04 TFLOPS
Radeon 550X Mobile
1.647 TFLOPS
Graphics Card
Mar 2025
Release Date
Apr 2018
GeForce 50 Mobile
Generation
Mobility Radeon
Mobile
Type
Mobile
PCIe 5.0 x16
Bus Interface
PCIe 3.0 x8
Clock Speeds
847 MHz
Base Clock
1100 MHz
1447 MHz
Boost Clock
1287 MHz
1750 MHz
Memory Clock
1500 MHz
Memory
12GB
Memory Size
4GB
GDDR7
Memory Type
GDDR5
192bit
Memory Bus
64bit
672.0GB/s
Bandwidth
48.00GB/s
Render Config
-
Compute Units
10
46
SM Count
-
5888
Shading Units
640
184
TMUs
40
80
ROPs
16
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
20.59 GPixel/s
266.2 GTexel/s
Texture Rate
51.48 GTexel/s
17.04 TFLOPS
FP16 (half)
1.647 TFLOPS
17.04 TFLOPS
FP32 (float)
1.647 TFLOPS
266.2 GFLOPS
FP64 (double)
103.0 GFLOPS
Board Design
60W
TDP
50W
250 W
Suggested PSU
-
Portable Device Dependent
Outputs
No outputs
None
Power Connectors
None
Graphics Processor
GB205
GPU Name
Polaris 23
GB205
GPU Variant
Polaris 23 MXT
Blackwell 2.0
Architecture
GCN 4.0
TSMC
Foundry
GlobalFoundries
5 nm
Process Size
14 nm
31.1 billion
Transistors
2.2 billion
263 mm²
Die Size
103 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
12.0
CUDA
-
6.8
Shader Model
6.4
