GeForce GTX 1080 Mobile and Mobility Radeon HD 3870 X2 - video card comparison
GeForce GTX 1080 Mobile
Mobility Radeon HD 3870 X2
Architecture
Pascal (2016−2021)
RV6xx (2007−2010)
GPU code name
N17E-G3
M88-XT CF
Market segment
Laptop
Laptop
Release date
August 2016
September 2008
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x16
PCIe 2.0 x16
SLI options
+
-
Boost clock speed
1733 MHz
-
Core clock speed
1607 MHz
660 MHz
CUDA cores
2560
-
Floating-point performance
9,068 gflops
2x 422.4 gflops
Manufacturing process technology
16 nm
55 nm
Number of transistors
7,200 million
666 million
Pipelines / CUDA cores
2560
640
Power consumption (TDP)
150 Watt
110 Watt
Maximum GPU temperature
94 °C
-
Texture fill rate
283.4
10.56
Memory type
GDDR5
GDDR3
Maximum RAM amount
8 GB
512 MB
Memory bus width
256 Bit
256 Bit
Memory clock speed
10 GB/s
850 MHz
Memory bandwidth
320 GB/s
54.4 GB/s
Shared memory
-
-
Display Connectors
DP 1.42, HDMI 2.0b, DL-DVI
No outputs
Multi monitor support
+
-
G-SYNC support
+
-
DirectX
12 (12_1)
10.1 (10_1)
CUDA
+
-
OpenCL
1.2
N/A
OpenGL
4.5
3.3
Shader Model
6.4
4.1
Vulkan
1.2.131
N/A
Ansel
+
-
GPU Boost
3.0
-
VR Ready
+
-