Radeon 520 and GeForce RTX 4070 Mobile - video card comparison
Radeon 520
GeForce RTX 4070 Mobile
Architecture
GCN 1.0 (2012−2020)
Ada Lovelace
GPU code name
Oland
GN21-X6
Market segment
Laptop
Laptop
Release date
March 2017
January 2023
Interface
PCIe 3.0 x8
PCIe 4.0 x16
Supplementary power connectors
None
-
Boost clock speed
-
2175 MHz
Core clock speed
1030 MHz
1605 MHz
Floating-point performance
659.2 gflops
-
Manufacturing process technology
28 nm
5 nm
Number of transistors
1,040 million
-
Pipelines / CUDA cores
320
4608
Power consumption (TDP)
50 Watt
115 Watt (35 - 115 Watt TGP)
Texture fill rate
20.60
244.1
Memory type
DDR3, GDDR5
GDDR6
Maximum RAM amount
2 GB
8 GB
Memory bus width
64 Bit
128 Bit
Memory clock speed
2250 MHz
16000 MHz
Memory bandwidth
16 GB/s
256.0 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 1x VGA
Portable Device Dependent
HDMI
+
-
DirectX
12.0
12 Ultimate (12_2)
CUDA
-
8.9
OpenCL
1.2
3.0
OpenGL
4.6
4.6
Shader Model
5.0
6.7
Vulkan
+
1.3