Mobility Radeon HD 3870 X2 and GeForce MX450 - video card comparison
Mobility Radeon HD 3870 X2
GeForce MX450
Architecture
RV6xx (2007−2010)
Turing (2018−2021)
GPU code name
M88-XT CF
N17S-G5 / GP107-670-A1
Market segment
Laptop
Laptop
Release date
September 2008
August 2020
Interface
PCIe 2.0 x16
PCIe 4.0 x4
Supplementary power connectors
-
None
Boost clock speed
-
1575 MHz
Core clock speed
660 MHz
1395 MHz
Floating-point performance
2x 422.4 gflops
-
Manufacturing process technology
55 nm
12 nm
Number of transistors
666 million
4,700 million
Pipelines / CUDA cores
640
896
Power consumption (TDP)
110 Watt
25 Watt (12 - 29 Watt TGP)
Texture fill rate
10.56
100.8
Memory type
GDDR3
GDDR5, GDDR6
Maximum RAM amount
512 MB
2 GB
Memory bus width
256 Bit
64 Bit
Memory clock speed
850 MHz
10000 MHz
Memory bandwidth
54.4 GB/s
64.03 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
10.1 (10_1)
12 (12_1)
CUDA
-
7.5
OpenCL
N/A
1.2
OpenGL
3.3
4.6
Shader Model
4.1
6.5
Vulkan
N/A
1.2
Optimus
-
+