GeForce GTX 850M and GeForce GT 325M - video card comparison
Passmark - benchmark score GeForce GTX 850M vs GeForce GT 325M
GeForce GTX 850M
2591
GeForce GT 325M
174
GeForce GTX 850M
GeForce GT 325M
Architecture
Maxwell (2014−2018)
GT2xx (2009−2012)
GPU code name
N15P-GT
N11P-GV1
Market segment
Laptop
Laptop
Release date
March 2014
January 2010
Bus support
PCI Express 2.0, PCI Express 3.0
PCI-E 2.0
Interface
PCIe 3.0 x16
PCIe 2.0 x16
SLI options
+
+
Core clock speed
Up to 936 MHz
450 MHz
CUDA cores
640
48
Floating-point performance
1,155 gflops
95.04 gflops
Gigaflops
-
142
Manufacturing process technology
28 nm
40 nm
Number of transistors
1,870 million
486 million
Pipelines / CUDA cores
640
48
Power consumption (TDP)
45 Watt
23 Watt
Texture fill rate
36.08
7.200
Memory type
DDR3, GDDR5
GDDR2, GDDR3, DDR3
Maximum RAM amount
4 GB
1 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
Up to 2500 MHz
Up to 1066 (DDR3), Up to 800 (GDDR3) MHz
Memory bandwidth
80.0 GB/s
22.4 GB/s
Shared memory
-
-
Standard memory configuration
DDR3 or GDDR5
-
Display Connectors
No outputs
Dual Link DVIDisplayPortHDMIVGASingle Link DVI
eDP 1.2 signal support
Up to 3840x2160
-
LVDS signal support
Up to 1920x1200
-
Multi monitor support
-
+
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
+
-
Maximum VGA resolution
-
2048x1536
DirectX
12 (11_0)
11.1 (10_1)
CUDA
+
+
OpenCL
1.1
1.1
OpenGL
4.5
2.1
Shader Model
5.1
4.1
Vulkan
1.1.126
N/A
Ansel
+
-
H.264, VC1, MPEG2 1080p video decoder
+
-
Optimus
+
-
Power management
-
8.0
TrueHD and DTS-HD audio bitstreaming
+
-