GeForce GTX 680M and GeForce GTX 850M - video card comparison
Passmark - benchmark score GeForce GTX 680M vs GeForce GTX 850M
GeForce GTX 680M
3312
GeForce GTX 850M
2591
GeForce GTX 680M
GeForce GTX 850M
Architecture
Kepler (2012−2018)
Maxwell (2014−2018)
GPU code name
N13E-GTX
N15P-GT
Market segment
Laptop
Laptop
Release date
June 2012
March 2014
Bus support
PCI Express 3.0
PCI Express 2.0, PCI Express 3.0
Interface
MXM-B (3.0)
PCIe 3.0 x16
Supplementary power connectors
None
-
SLI options
+
+
Boost clock speed
758 MHz
-
Core clock speed
720 MHz
Up to 936 MHz
CUDA cores
1344
640
Floating-point performance
2,038 gflops
1,155 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
3,540 million
1,870 million
Pipelines / CUDA cores
1344
640
Power consumption (TDP)
100 Watt
45 Watt
Texture fill rate
80.6 billion/sec
36.08
Memory type
GDDR5
DDR3, GDDR5
Maximum RAM amount
4 GB
4 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
1800 MHz
Up to 2500 MHz
Memory bandwidth
115.2 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
1.1.126
1.1.126
Ansel
-
+
H.264, VC1, MPEG2 1080p video decoder
-
+
Optimus
+
+
TrueHD and DTS-HD audio bitstreaming
-
+