GeForce GTX 870M and GeForce RTX 3080 - video card comparison
Passmark - benchmark score GeForce GTX 870M vs GeForce RTX 3080
GeForce GTX 870M
3552
GeForce RTX 3080
26043
GeForce GTX 870M
GeForce RTX 3080
Architecture
Kepler (2012−2018)
Ampere (2020−2022)
GPU code name
N15P-GT
Ampere GA102
Market segment
Laptop
Desktop
Release date
March 2014
September 2020
Bus support
PCI Express 2.0, PCI Express 3.0
-
Interface
MXM-B (3.0)
PCIe 4.0 x16
Supplementary power connectors
None
1x 12-pin
SLI options
+
-
Boost clock speed
967 MHz
1710 MHz
Core clock speed
941 MHz
1450 MHz
CUDA cores
1344
-
Floating-point performance
2,599 gflops
-
Manufacturing process technology
28 nm
8 nm
Number of transistors
3,540 million
28,300 million
Pipelines / CUDA cores
1344
8704
Power consumption (TDP)
100 Watt
320 Watt
Texture fill rate
108.3
465.1
Memory type
GDDR5
GDDR6X
Maximum RAM amount
6 GB
10 GB
Memory bus width
192 Bit
320 Bit
Memory clock speed
Up to 2500 MHz
19000 MHz
Memory bandwidth
120.0 GB/s
760.3 GB/s
Shared memory
-
-
Standard memory configuration
GDDR5
-
Display Connectors
No outputs
1x HDMI, 3x DisplayPort
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
+
8.5
OpenCL
1.1
2.0
OpenGL
4.5
4.6
Shader Model
5.1
6.5
Vulkan
1.1.126
1.2
H.264, VC1, MPEG2 1080p video decoder
+
-
Optimus
+
-
TrueHD and DTS-HD audio bitstreaming
+
-