GeForce GTX 1080 and Iris Plus Graphics 645 - video card comparison
Passmark - benchmark score GeForce GTX 1080 vs Iris Plus Graphics 645
GeForce GTX 1080
16002
Iris Plus Graphics 645
1779
GeForce GTX 1080
Iris Plus Graphics 645
Architecture
Pascal (2016−2021)
Gen. 9.5 Coffee Lake (2019)
GPU code name
Pascal GP104
Kaby Lake GT3e
Market segment
Desktop
Laptop
Release date
May 2016
July 2019
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x16
PCIe 3.0 x1
Recommended system power (PSU)
500 Watt
-
Supplementary power connectors
8-pin
-
SLI options
+
-
Boost clock speed
1733 MHz
1150 MHz
Core clock speed
1607 MHz
300 MHz
CUDA cores
2560
-
Floating-point performance
8,873 gflops
-
Manufacturing process technology
16 nm
14 nm
Number of transistors
7,200 million
-
Pipelines / CUDA cores
2560
48
Power consumption (TDP)
180 Watt
15 Watt
Maximum GPU temperature
94 °C
-
Texture fill rate
277.3
50.40
Memory type
GDDR5X
DDR3, DDR4
Maximum RAM amount
8 GB
System Shared
Memory bus width
256 Bit
System Shared
Memory clock speed
10 GB/s
System Shared
Memory bandwidth
320 GB/s
-
Shared memory
-
+
Display Connectors
DP 1.42, HDMI 2.0b, DL-DVI
No outputs
Multi monitor support
+
-
HDMI
+
-
G-SYNC support
+
-
DirectX
12 (12_1)
12 (12_1)
CUDA
+
-
OpenCL
1.2
2.1
OpenGL
4.5
4.6
Shader Model
6.4
6.4
Vulkan
1.2.131
1.1.103
Ansel
+
-
GPU Boost
3.0
-
Quick Sync
-
+
VR Ready
+
-