Radeon HD 8870M and Radeon HD 8850M - video card comparison
Passmark - benchmark score Radeon HD 8870M vs Radeon HD 8850M
Radeon HD 8870M
1687
Radeon HD 8850M
1002
Radeon HD 8870M
Radeon HD 8850M
Architecture
GCN (2011−2017)
GCN (2011−2017)
GPU code name
Venus
Venus
Market segment
Laptop
Laptop
Release date
December 2012
December 2012
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Boost clock speed
775 MHz
725 MHz
Core clock speed
725 MHz
575 MHz
Floating-point performance
992.0 gflops
800.0 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
1,500 million
1,500 million
Pipelines / CUDA cores
640
640
Texture fill rate
31.00
25.00
Memory type
GDDR5, DDR3
GDDR5, DDR3
Maximum RAM amount
2 GB
2 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
4500 MHz
4500 MHz
Memory bandwidth
72 GB/s
32 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
12 (11_1)
12 (11_1)
OpenCL
1.2
1.2
OpenGL
4.6
4.6
Shader Model
5.1
5.1
Vulkan
1.2.131
1.2.131