Radeon HD 8790M and Iris Plus Graphics 645 - video card comparison
Passmark - benchmark score Radeon HD 8790M vs Iris Plus Graphics 645
Radeon HD 8790M
1344
Iris Plus Graphics 645
1779
Radeon HD 8790M
Iris Plus Graphics 645
Architecture
GCN (2011−2017)
Gen. 9.5 Coffee Lake (2019)
GPU code name
Mars XTX
Kaby Lake GT3e
Market segment
Laptop
Laptop
Release date
November 2012
July 2019
Interface
MXM-A (3.0)
PCIe 3.0 x1
Supplementary power connectors
None
-
Boost clock speed
900 MHz
1150 MHz
Core clock speed
850 MHz
300 MHz
Floating-point performance
691.2 gflops
-
Manufacturing process technology
28 nm
14 nm
Number of transistors
950 million
-
Pipelines / CUDA cores
384
48
Power consumption (TDP)
unknown
15 Watt
Texture fill rate
21.60
50.40
Memory type
GDDR5
DDR3, DDR4
Maximum RAM amount
2 GB
System Shared
Memory bus width
128 Bit
System Shared
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 (12_1)
OpenCL
1.2
2.1
OpenGL
4.6
4.6
Shader Model
5.1
6.4
Vulkan
1.2.131
1.1.103
Quick Sync
-
+