Radeon HD 8790M and UHD Graphics 770 - video card comparison
Passmark - benchmark score Radeon HD 8790M vs UHD Graphics 770
Radeon HD 8790M
1344
UHD Graphics 770
2844
Radeon HD 8790M
UHD Graphics 770
Architecture
GCN (2011−2017)
Alder Lake
GPU code name
Mars XTX
Alder Lake xG
Market segment
Laptop
Desktop
Release date
November 2012
January 2022
Interface
MXM-A (3.0)
Ring Bus
Supplementary power connectors
None
-
Boost clock speed
900 MHz
300 MHz
Core clock speed
850 MHz
-
Floating-point performance
691.2 gflops
-
Manufacturing process technology
28 nm
10 nm
Number of transistors
950 million
-
Pipelines / CUDA cores
384
32
Power consumption (TDP)
unknown
15 Watt
Texture fill rate
21.60
26.40
Memory type
GDDR5
System Shared
Maximum RAM amount
2 GB
System Shared
Memory bus width
128 Bit
System Shared
Memory clock speed
4500 MHz
1550 MHz
Memory bandwidth
64 GB/s
-
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
12 (11_1)
12 (12_1)
OpenCL
1.2
3.0
OpenGL
4.6
4.6
Shader Model
5.1
6.4
Vulkan
1.2.131
1.3