GeForce GTX 850M and Mobility Radeon HD 5870 - video card comparison
GeForce GTX 850M
Mobility Radeon HD 5870
Architecture
Maxwell (2014−2018)
Terascale 2 (2009−2015)
GPU code name
N15P-GT
Broadway-XT
Market segment
Laptop
Laptop
Release date
March 2014
January 2010
Bus support
PCI Express 2.0, PCI Express 3.0
-
Interface
PCIe 3.0 x16
MXM-B (3.0)
SLI options
+
-
Core clock speed
Up to 936 MHz
700 MHz
CUDA cores
640
-
Floating-point performance
1,155 gflops
1,120.0 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
1,870 million
1,040 million
Pipelines / CUDA cores
640
800
Power consumption (TDP)
45 Watt
50 Watt
Texture fill rate
36.08
28.00
Memory type
DDR3, GDDR5
DDR3, GDDR3, GDDR5
Maximum RAM amount
4 GB
1 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
Up to 2500 MHz
1000 MHz
Memory bandwidth
80.0 GB/s
64 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)
11.2 (11_0)
CUDA
+
-
OpenCL
1.1
1.2
OpenGL
4.5
4.4
Shader Model
5.1
5.0
Vulkan
1.1.126
N/A
Ansel
+
-
H.264, VC1, MPEG2 1080p video decoder
+
-
Optimus
+
-
TrueHD and DTS-HD audio bitstreaming
+
-