GeForce GTX 870M and Steam Deck GPU - video card comparison
GeForce GTX 870M
Steam Deck GPU
Architecture
Kepler (2012−2018)
RDNA 2.0 (2020−2022)
GPU code name
N15P-GT
Van Gogh
Market segment
Laptop
Desktop
Release date
March 2014
February 2022
Bus support
PCI Express 2.0, PCI Express 3.0
-
Interface
MXM-B (3.0)
-
Supplementary power connectors
None
None
SLI options
+
-
Boost clock speed
967 MHz
1600 MHz
Core clock speed
941 MHz
-
CUDA cores
1344
-
Floating-point performance
2,599 gflops
-
Manufacturing process technology
28 nm
7 nm
Number of transistors
3,540 million
2,400 million
Pipelines / CUDA cores
1344
512
Power consumption (TDP)
100 Watt
15 Watt
Texture fill rate
108.3
51.20
Memory type
GDDR5
LPDDR5
Maximum RAM amount
6 GB
16 GB
Memory bus width
192 Bit
128 Bit
Memory clock speed
Up to 2500 MHz
5.5 GB/s
Memory bandwidth
120.0 GB/s
88 GB/s
Shared memory
-
-
Standard memory configuration
GDDR5
-
Display Connectors
No outputs
1x USB Type-C
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
2.0
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
+
-