GeForce GTX 860M and GeForce RTX 4080 Mobile - video card comparison
GeForce GTX 860M
GeForce RTX 4080 Mobile
Architecture
Maxwell (2014−2018)
Ada Lovelace
GPU code name
N15P-GX
GN21-X9
Market segment
Laptop
Laptop
Release date
March 2014
January 2023
Bus support
PCI Express 2.0, PCI Express 3.0
-
Interface
MXM-B (3.0)
PCIe 4.0 x16
Supplementary power connectors
None
-
SLI options
+
-
Boost clock speed
915 MHz
2280 MHz
Core clock speed
797 MHz
1860 MHz
CUDA cores
1152 or 640
-
Floating-point performance
1,389 gflops
-
Manufacturing process technology
28 nm
5 nm
Number of transistors
1,870 million
35,800 million
Pipelines / CUDA cores
640
7424
Power consumption (TDP)
75 Watt
150 Watt (60 - 150 Watt TGP)
Texture fill rate
43.40
386.3
Memory type
GDDR5
GDDR6X
Maximum RAM amount
4 GB
12 GB
Memory bus width
128 Bit
192 Bit
Memory clock speed
Up to 2500 MHz
20000 MHz
Memory bandwidth
80.0 GB/s
432.0 GB/s
Shared memory
-
-
Standard memory configuration
GDDR5
-
Display Connectors
No outputs
Portable Device Dependent
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 Ultimate (12_2)
CUDA
+
8.9
OpenCL
1.1
3.0
OpenGL
4.5
4.6
Shader Model
5.1
6.7
Vulkan
1.1.126
1.3
Ansel
+
-
H.264, VC1, MPEG2 1080p video decoder
+
-
Optimus
+
-
TrueHD and DTS-HD audio bitstreaming
+
-