GeForce GTX 580M and GeForce GTX 850M - video card comparison
Passmark - benchmark score GeForce GTX 580M vs GeForce GTX 850M
GeForce GTX 580M
2136
GeForce GTX 850M
2591
GeForce GTX 580M
GeForce GTX 850M
Architecture
Fermi (2010−2014)
Maxwell (2014−2018)
GPU code name
N12E-GTX2
N15P-GT
Market segment
Laptop
Laptop
Release date
June 2011
March 2014
Bus support
PCI-E 2.0
PCI Express 2.0, PCI Express 3.0
Interface
MXM-B (3.0)
PCIe 3.0 x16
Supplementary power connectors
None
-
SLI options
+
+
Core clock speed
620 MHz
Up to 936 MHz
CUDA cores
384
640
Floating-point performance
952.3 gflops
1,155 gflops
Manufacturing process technology
40 nm
28 nm
Number of transistors
1,950 million
1,870 million
Pipelines / CUDA cores
384
640
Power consumption (TDP)
100 Watt
45 Watt
Texture fill rate
39.7 billion/sec
36.08
Memory type
GDDR5
DDR3, GDDR5
Maximum RAM amount
2 MB
4 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
1500 MHz
Up to 2500 MHz
Memory bandwidth
96.0 GB/s
80.0 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 API
12 (11_0)
CUDA
+
+
OpenCL
1.1
1.1
OpenGL
4.5
4.5
Shader Model
5.1
5.1
Vulkan
N/A
1.1.126
3D Blu-Ray
+
-
3D Gaming
+
-
Ansel
-
+
H.264, VC1, MPEG2 1080p video decoder
-
+
Optimus
+
+
TrueHD and DTS-HD audio bitstreaming
-
+