Radeon HD 8870M and GeForce 845M - video card comparison
Passmark - benchmark score Radeon HD 8870M vs GeForce 845M
Radeon HD 8870M
1687
GeForce 845M
1570
Radeon HD 8870M
GeForce 845M
Architecture
GCN (2011−2017)
Maxwell (2014−2018)
GPU code name
Venus
GM108
Market segment
Laptop
Laptop
Release date
December 2012
March 2014
Interface
PCIe 3.0 x16
PCIe 3.0 x8
Boost clock speed
775 MHz
1150 MHz
Core clock speed
725 MHz
1071 MHz
Floating-point performance
992.0 gflops
883.7 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
1,500 million
1,870 million
Pipelines / CUDA cores
640
384
Power consumption (TDP)
-
45 Watt
Texture fill rate
31.00
37.63
Memory type
GDDR5, DDR3
DDR3, GDDR5
Maximum RAM amount
2 GB
2 GB
Memory bus width
128 Bit
64/128 Bit
Memory clock speed
4500 MHz
2000 - 5000 MHz
Memory bandwidth
72 GB/s
40.1 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
4.6
Shader Model
5.1
5.1
Vulkan
1.2.131
1.1.126
Optimus
-
+