Radeon HD 8790M and HD Graphics 4200 - video card comparison
Radeon HD 8790M
HD Graphics 4200
Architecture
GCN (2011−2017)
Gen. 7.5 Haswell (2012−2013)
GPU code name
Mars XTX
Haswell GT2
Market segment
Laptop
Laptop
Release date
November 2012
June 2013
Interface
MXM-A (3.0)
PCIe 1.0 x16
Supplementary power connectors
None
-
Boost clock speed
900 MHz
850 MHz
Core clock speed
850 MHz
200 MHz
Floating-point performance
691.2 gflops
-
Manufacturing process technology
28 nm
22 nm
Number of transistors
950 million
392 million
Pipelines / CUDA cores
384
20
Power consumption (TDP)
unknown
4 Watt
Texture fill rate
21.60
17.00
Memory type
GDDR5
System Shared
Maximum RAM amount
2 GB
System Shared
Memory bus width
128 Bit
64/128 Bit
Memory clock speed
4500 MHz
System Shared
Memory bandwidth
64 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
4.3
Shader Model
5.1
5.1
Vulkan
1.2.131
1.1.80
Quick Sync
-
+