Radeon 620 Mobile vs GeForce RTX 4070 Mobile
We compared two Mobile platform GPUs: 2GB VRAM Radeon 620 Mobile and 8GB VRAM GeForce RTX 4070 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon 620 Mobile 's Advantages
Lower TDP (50W vs 115W)
GeForce RTX 4070 Mobile 's Advantages
Released 3 years and 8 months late
Boost Clock has increased by 66% (1695MHz vs 1024MHz)
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (256.0GB/s vs 14.40GB/s)
4224 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon 620 Mobile
786
GeForce RTX 4070 Mobile
+1887%
15620
Graphics Card
May 2019
Release Date
Jan 2023
Mobility Radeon
Generation
GeForce 40 Mobile
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
PCIe 4.0 x8
Clock Speeds
730 MHz
Base Clock
1395 MHz
1024 MHz
Boost Clock
1695 MHz
900 MHz
Memory Clock
2000 MHz
Memory
2GB
Memory Size
8GB
DDR3
Memory Type
GDDR6
64bit
Memory Bus
128bit
14.40GB/s
Bandwidth
256.0GB/s
Render Config
6
Compute Units
-
-
SM Count
36
384
Shading Units
4608
24
TMUs
144
8
ROPs
48
-
Tensor Cores
144
-
RT Cores
36
16 KB (per CU)
L1 Cache
128 KB (per SM)
128 KB
L2 Cache
32 MB
Theoretical Performance
8.192 GPixel/s
Pixel Rate
81.36 GPixel/s
24.58 GTexel/s
Texture Rate
244.1 GTexel/s
786.4 GFLOPS
FP16 (half)
15.62 TFLOPS
786.4 GFLOPS
FP32 (float)
15.62 TFLOPS
49.15 GFLOPS
FP64 (double)
244.1 GFLOPS
Board Design
50W
TDP
115W
No outputs
Outputs
Portable Device Dependent
None
Power Connectors
None
Graphics Processor
Polaris 24
GPU Name
AD106
Polaris 24 XL
GPU Variant
GN21-X6
GCN 3.0
Architecture
Ada Lovelace
TSMC
Foundry
TSMC
28 nm
Process Size
5 nm
1.55 billion
Transistors
22.9 billion
125 mm²
Die Size
188 mm²
Graphics Features
12 (12_0)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
2.0
OpenCL
3.0
1.2
Vulkan
1.3
-
CUDA
8.9
6.3
Shader Model
6.8