Radeon R7 M270DX and GeForce RTX 4090 Mobile - video card comparison
Radeon R7 M270DX
GeForce RTX 4090 Mobile
Architecture
GCN 3.0 (2014−2017)
Ada Lovelace
GPU code name
Topaz
GN21-X11
Market segment
Desktop
Laptop
Release date
June 2014
January 2023
Interface
IGP
PCIe 4.0 x16
Boost clock speed
940 MHz
2040 MHz
Core clock speed
900 MHz
-
Manufacturing process technology
28 nm
5 nm
Number of transistors
1,550 million
45,900 million
Pipelines / CUDA cores
384
9728
Power consumption (TDP)
-
150 Watt (80 - 150 Watt TGP)
Texture fill rate
22.56
515.3
Memory type
System Shared
GDDR6
Maximum RAM amount
System Shared
16 GB
Memory bus width
System Shared
256 Bit
Memory clock speed
System Shared
20000 MHz
Memory bandwidth
-
576.0 GB/s
Shared memory
-
-
Display Connectors
No outputs
Portable Device Dependent
DirectX
12 (12_0)
12 Ultimate (12_2)
CUDA
-
8.9
OpenCL
2.0
3.0
OpenGL
4.6
4.6
Shader Model
6.3
6.7
Vulkan
1.2.131
1.3