Radeon HD 8850M and Radeon HD 7550M - video card comparison
Passmark - benchmark score Radeon HD 8850M vs Radeon HD 7550M
Radeon HD 8850M
1002
Radeon HD 7550M
478
Radeon HD 8850M
Radeon HD 7550M
Architecture
GCN (2011−2017)
Terascale 2 (2009−2015)
GPU code name
Venus
Thames-LP / Pro
Market segment
Laptop
Laptop
Release date
December 2012
January 2012
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Boost clock speed
725 MHz
550 MHz
Core clock speed
575 MHz
450 MHz
Floating-point performance
800.0 gflops
480.0 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
1,500 million
716 million
Pipelines / CUDA cores
640
400
Power consumption (TDP)
-
14 Watt
Texture fill rate
25.00
12.00
Memory type
GDDR5, DDR3
GDDR5 / DDR3
Maximum RAM amount
2 GB
1 GB
Memory bus width
128 Bit
64 Bit
Memory clock speed
4500 MHz
3200 / 1800 MHz
Memory bandwidth
32 GB/s
28.8 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
12 (11_1)
11.2 (11_0)
OpenCL
1.2
1.2
OpenGL
4.6
4.4
Shader Model
5.1
5.0
Vulkan
1.2.131
N/A