GeForce GTX 850M and Calistoga - video card comparison
GeForce GTX 850M
Calistoga
Architecture
Maxwell (2014−2018)
Generation 3.5 (2006)
GPU code name
N15P-GT
Calistoga
Market segment
Laptop
Desktop
Release date
March 2014
-
Bus support
PCI Express 2.0, PCI Express 3.0
-
Interface
PCIe 3.0 x16
-
SLI options
+
-
Core clock speed
Up to 936 MHz
-
CUDA cores
640
-
Floating-point performance
1,155 gflops
-
Manufacturing process technology
28 nm
90 nm
Number of transistors
1,870 million
-
Pipelines / CUDA cores
640
-
Power consumption (TDP)
45 Watt
-
Texture fill rate
36.08
-
Memory type
DDR3, GDDR5
-
Maximum RAM amount
4 GB
-
Memory bus width
128 Bit
-
Memory clock speed
Up to 2500 MHz
-
Memory bandwidth
80.0 GB/s
-
Shared memory
-
-
Standard memory configuration
DDR3 or GDDR5
-
Display Connectors
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)
9.0c
CUDA
+
-
OpenCL
1.1
N/A
OpenGL
4.5
2.0
Shader Model
5.1
3.0
Vulkan
1.1.126
N/A
Ansel
+
-
H.264, VC1, MPEG2 1080p video decoder
+
-
Optimus
+
-
TrueHD and DTS-HD audio bitstreaming
+
-