
Radeon HD 8870M and GeForce 920MX - video card comparison
Passmark - benchmark score Radeon HD 8870M vs GeForce 920MX
Radeon HD 8870M
1687
GeForce 920MX
1112
Radeon HD 8870M
GeForce 920MX
Architecture
GCN (2011−2017)
Maxwell (2014−2018)
GPU code name
Venus
N16V-GMR
Market segment
Laptop
Laptop
Release date
December 2012
March 2015
Bus support
-
PCI Express 3.0
Interface
PCIe 3.0 x16
PCIe 3.0 x8
Supplementary power connectors
-
None
Boost clock speed
775 MHz
993 MHz
Core clock speed
725 MHz
965 MHz
Floating-point performance
992.0 gflops
602.1 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
1,500 million
-
Pipelines / CUDA cores
640
256
Power consumption (TDP)
-
16 Watt
Texture fill rate
31.00
23.83
Memory type
GDDR5, DDR3
DDR3, GDDR5
Maximum RAM amount
2 GB
2 GB
Memory bus width
128 Bit
64 Bit
Memory clock speed
4500 MHz
1800 MHz
Memory bandwidth
72 GB/s
14.4 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
12 (11_1)
12 (11_0)
CUDA
-
+
OpenCL
1.2
1.2
OpenGL
4.6
4.5
Shader Model
5.1
5.1
Vulkan
1.2.131
1.1.126
GameWorks
-
+
GPU Boost
-
2.0
Optimus
-
+