GeForce GTX 850M and Iris Plus Graphics 645 - video card comparison
Passmark - benchmark score GeForce GTX 850M vs Iris Plus Graphics 645
GeForce GTX 850M
2591
Iris Plus Graphics 645
1779
GeForce GTX 850M
Iris Plus Graphics 645
Architecture
Maxwell (2014−2018)
Gen. 9.5 Coffee Lake (2019)
GPU code name
N15P-GT
Kaby Lake GT3e
Market segment
Laptop
Laptop
Release date
March 2014
July 2019
Bus support
PCI Express 2.0, PCI Express 3.0
-
Interface
PCIe 3.0 x16
PCIe 3.0 x1
SLI options
+
-
Boost clock speed
-
1150 MHz
Core clock speed
Up to 936 MHz
300 MHz
CUDA cores
640
-
Floating-point performance
1,155 gflops
-
Manufacturing process technology
28 nm
14 nm
Number of transistors
1,870 million
-
Pipelines / CUDA cores
640
48
Power consumption (TDP)
45 Watt
15 Watt
Texture fill rate
36.08
50.40
Memory type
DDR3, GDDR5
DDR3, DDR4
Maximum RAM amount
4 GB
System Shared
Memory bus width
128 Bit
System Shared
Memory clock speed
Up to 2500 MHz
System Shared
Memory bandwidth
80.0 GB/s
-
Shared memory
-
+
Standard memory configuration
DDR3 or GDDR5
-
Display Connectors
No outputs
No outputs
eDP 1.2 signal support
Up to 3840x2160
-
LVDS signal support
Up to 1920x1200
-
VGA аnalog display support
Up to 2048x1536
-
DisplayPort Multimode (DP++) support
Up to 3840x2160
-
HDCP content protection
+
-
HDMI
+
-
7.1 channel HD audio on HDMI
+
-
DirectX
12 (11_0)
12 (12_1)
CUDA
+
-
OpenCL
1.1
2.1
OpenGL
4.5
4.6
Shader Model
5.1
6.4
Vulkan
1.1.126
1.1.103
Ansel
+
-
H.264, VC1, MPEG2 1080p video decoder
+
-
Optimus
+
-
Quick Sync
-
+
TrueHD and DTS-HD audio bitstreaming
+
-