Radeon R9 M290X and GeForce GTX 850M - video card comparison
Passmark - benchmark score Radeon R9 M290X vs GeForce GTX 850M
Radeon R9 M290X
3360
GeForce GTX 850M
2591
Radeon R9 M290X
GeForce GTX 850M
Architecture
GCN (2011−2017)
Maxwell (2014−2018)
GPU code name
Neptune
N15P-GT
Market segment
Laptop
Laptop
Release date
January 2014
March 2014
Bus support
PCIe 3.0 x16
PCI Express 2.0, PCI Express 3.0
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
None
-
SLI options
-
+
Boost clock speed
900 MHz
-
Compute units
20
-
Core clock speed
850 MHz
Up to 936 MHz
CUDA cores
-
640
Floating-point performance
2,304 gflops
1,155 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
2,800 million
1,870 million
Pipelines / CUDA cores
1280
640
Power consumption (TDP)
100 Watt
45 Watt
Texture fill rate
72.00
36.08
Memory type
GDDR5
DDR3, GDDR5
Maximum RAM amount
4 GB
4 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
1200 MHz
Up to 2500 MHz
Memory bandwidth
153.6 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
Eyefinity
1
-
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
DirectX® 11
12 (11_0)
CUDA
-
+
Mantle
+
-
OpenCL
Not Listed
1.1
OpenGL
4.4
4.5
Shader Model
5.1
5.1
Vulkan
-
1.1.126
Ansel
-
+
AppAcceleration
-
-
DualGraphics
1
-
Enduro
-
-
FreeSync
1
-
H.264, VC1, MPEG2 1080p video decoder
-
+
HD3D
+
-
Optimus
-
+
PowerTune
+
-
Switchable graphics
1
-
TrueAudio
-
-
TrueHD and DTS-HD audio bitstreaming
-
+
ZeroCore
+
-