GeForce GTX 850M and Radeon 3000 IGP - video card comparison
GeForce GTX 850M
Radeon 3000 IGP
Architecture
Maxwell (2014−2018)
TeraScale (2005−2013)
GPU code name
N15P-GT
RS780
Market segment
Laptop
Desktop
Release date
March 2014
2009
Bus support
PCI Express 2.0, PCI Express 3.0
-
Interface
PCIe 3.0 x16
PCIe 1.0 x16
SLI options
+
-
Core clock speed
Up to 936 MHz
350 MHz
CUDA cores
640
-
Floating-point performance
1,155 gflops
-
Manufacturing process technology
28 nm
65 nm
Number of transistors
1,870 million
180 million
Pipelines / CUDA cores
640
40
Power consumption (TDP)
45 Watt
-
Texture fill rate
36.08
1.400
Memory type
DDR3, GDDR5
System Shared
Maximum RAM amount
4 GB
System Shared
Memory bus width
128 Bit
System Shared
Memory clock speed
Up to 2500 MHz
System Shared
Memory bandwidth
80.0 GB/s
-
Shared memory
-
-
Standard memory configuration
DDR3 or GDDR5
-
Display Connectors
No outputs
Motherboard Dependent
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)
10.0 (10_0)
CUDA
+
-
OpenCL
1.1
1.0
OpenGL
4.5
3.3
Shader Model
5.1
4.1
Vulkan
1.1.126
N/A
Ansel
+
-
H.264, VC1, MPEG2 1080p video decoder
+
-
Optimus
+
-
TrueHD and DTS-HD audio bitstreaming
+
-