GeForce RTX 4070 Mobile vs Radeon RX 550X Mobile
We compared two Mobile platform GPUs: 8GB VRAM GeForce RTX 4070 Mobile and 2GB VRAM Radeon RX 550X Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce RTX 4070 Mobile 's Advantages
Released 4 years and 9 months late
Boost Clock has increased by 44% (1695MHz vs 1176MHz)
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (256.0GB/s vs 48.00GB/s)
3968 additional rendering cores
Radeon RX 550X Mobile 's Advantages
Lower TDP (50W vs 115W)
Score
Benchmark
FP32 (float)
GeForce RTX 4070 Mobile
+937%
15620
Radeon RX 550X Mobile
1505
Graphics Card
Jan 2023
Release Date
Apr 2018
GeForce 40 Mobile
Generation
Mobility Radeon
Mobile
Type
Mobile
PCIe 4.0 x8
Bus Interface
PCIe 3.0 x8
Clock Speeds
1395 MHz
Base Clock
1100 MHz
1695 MHz
Boost Clock
1176 MHz
2000 MHz
Memory Clock
1500 MHz
Memory
8GB
Memory Size
2GB
GDDR6
Memory Type
GDDR5
128bit
Memory Bus
64bit
256.0GB/s
Bandwidth
48.00GB/s
Render Config
-
Compute Units
10
36
SM Count
-
4608
Shading Units
640
144
TMUs
40
48
ROPs
16
144
Tensor Cores
-
36
RT Cores
-
128 KB (per SM)
L1 Cache
16 KB (per CU)
32 MB
L2 Cache
512 KB
Theoretical Performance
81.36 GPixel/s
Pixel Rate
18.82 GPixel/s
244.1 GTexel/s
Texture Rate
47.04 GTexel/s
15.62 TFLOPS
FP16 (half)
1.505 TFLOPS
15.62 TFLOPS
FP32 (float)
1.505 TFLOPS
244.1 GFLOPS
FP64 (double)
94.08 GFLOPS
Board Design
115W
TDP
50W
Portable Device Dependent
Outputs
No outputs
None
Power Connectors
None
Graphics Processor
AD106
GPU Name
Polaris 23
GN21-X6
GPU Variant
Polaris 23 MXT
Ada Lovelace
Architecture
GCN 4.0
TSMC
Foundry
GlobalFoundries
5 nm
Process Size
14 nm
22.9 billion
Transistors
2.2 billion
188 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
1.3
Vulkan
1.2
8.9
CUDA
-
6.8
Shader Model
6.4