Radeon HD 7870 and GeForce MX450 - video card comparison
Passmark - benchmark score Radeon HD 7870 vs GeForce MX450
Radeon HD 7870
4779
GeForce MX450
3845
Radeon HD 7870
GeForce MX450
Architecture
GCN (2011−2017)
Turing (2018−2021)
GPU code name
Pitcairn XT
N17S-G5 / GP107-670-A1
Market segment
Desktop
Laptop
Release date
March 2012
August 2020
Interface
PCIe 3.0 x16
PCIe 4.0 x4
Supplementary power connectors
2x 6-pin
None
Boost clock speed
-
1575 MHz
Core clock speed
1000 MHz
1395 MHz
Manufacturing process technology
28 nm
12 nm
Number of transistors
2800 Million
4,700 million
Pipelines / CUDA cores
1280
896
Power consumption (TDP)
175 Watt
25 Watt (12 - 29 Watt TGP)
Texture fill rate
80.00
100.8
Memory type
GDDR5
GDDR5, GDDR6
Maximum RAM amount
2 GB
2 GB
Memory bus width
256 Bit
64 Bit
Memory clock speed
4800 MHz
10000 MHz
Memory bandwidth
153.6 GB/s
64.03 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
No outputs
Eyefinity
+
-
HDMI
+
-
DirectX
12 (11_1)
12 (12_1)
CUDA
-
7.5
OpenCL
1.2
1.2
OpenGL
4.6
4.6
Shader Model
5.1
6.5
Vulkan
1.2.131
1.2
Optimus
-
+