
Iris Plus Graphics 645 and GeForce RTX 4090 - video card comparison
Passmark - benchmark score Iris Plus Graphics 645 vs GeForce RTX 4090
Iris Plus Graphics 645
1779
GeForce RTX 4090
39777
Iris Plus Graphics 645
GeForce RTX 4090
Architecture
Gen. 9.5 Coffee Lake (2019)
Ada Lovelace
GPU code name
Kaby Lake GT3e
AD102-300-A1
Market segment
Laptop
Desktop
Release date
July 2019
September 2022
Interface
PCIe 3.0 x1
PCIe 4.0 x16
Supplementary power connectors
-
1x 16-pin
Boost clock speed
1150 MHz
2520 MHz
Core clock speed
300 MHz
2235 MHz
Manufacturing process technology
14 nm
5 nm
Number of transistors
-
76,300 million
Pipelines / CUDA cores
48
16384
Power consumption (TDP)
15 Watt
450 Watt
Texture fill rate
50.40
1,290
Memory type
DDR3, DDR4
GDDR6X
Maximum RAM amount
System Shared
24 GB
Memory bus width
System Shared
384 Bit
Memory clock speed
System Shared
21000 MHz
Memory bandwidth
-
1,008 GB/s
Shared memory
+
-
Display Connectors
No outputs
1x HDMI 2.1, 3x DisplayPort 1.4a
HDMI
-
+
DirectX
12 (12_1)
12 Ultimate (12_2)
CUDA
-
8.9
OpenCL
2.1
3.0
OpenGL
4.6
4.6
Shader Model
6.4
6.6
Vulkan
1.1.103
1.3
Quick Sync
+
-