Radeon HD 8790M and Radeon HD 8850M - video card comparison
Passmark - benchmark score Radeon HD 8790M vs Radeon HD 8850M
Radeon HD 8790M
1344
Radeon HD 8850M
1002
Radeon HD 8790M
Radeon HD 8850M
Architecture
GCN (2011−2017)
GCN (2011−2017)
GPU code name
Mars XTX
Venus
Market segment
Laptop
Laptop
Release date
November 2012
December 2012
Interface
MXM-A (3.0)
PCIe 3.0 x16
Supplementary power connectors
None
-
Boost clock speed
900 MHz
725 MHz
Core clock speed
850 MHz
575 MHz
Floating-point performance
691.2 gflops
800.0 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
950 million
1,500 million
Pipelines / CUDA cores
384
640
Power consumption (TDP)
unknown
-
Texture fill rate
21.60
25.00
Memory type
GDDR5
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
64 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