Radeon R9 270X and GeForce GTX 850M - video card comparison
Passmark - benchmark score Radeon R9 270X vs GeForce GTX 850M
Radeon R9 270X
5036
GeForce GTX 850M
2591
Radeon R9 270X
GeForce GTX 850M
Architecture
GCN (2011−2017)
Maxwell (2014−2018)
GPU code name
Curacao XT
N15P-GT
Market segment
Desktop
Laptop
Release date
October 2013
March 2014
Bus support
PCIe 3.0
PCI Express 2.0, PCI Express 3.0
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
2 x 6-pin
-
SLI options
-
+
Boost clock speed
1050 MHz
-
Core clock speed
-
Up to 936 MHz
CUDA cores
-
640
Floating-point performance
2,688 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)
180 Watt
45 Watt
Texture fill rate
84.00
36.08
Memory type
GDDR5
DDR3, GDDR5
Maximum RAM amount
4 GB
4 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
-
Up to 2500 MHz
Memory bandwidth
179.2 GB/s
80.0 GB/s
Shared memory
-
-
Standard memory configuration
-
DDR3 or GDDR5
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
No outputs
eDP 1.2 signal support
-
Up to 3840x2160
LVDS signal support
-
Up to 1920x1200
Eyefinity
+
-
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
-
+
DisplayPort support
+
-
DirectX
DirectX® 12
12 (11_0)
CUDA
-
+
Mantle
-
-
OpenCL
1.2
1.1
OpenGL
4.6
4.5
Shader Model
5.1
5.1
Vulkan
+
1.1.126
Ansel
-
+
AppAcceleration
+
-
CrossFire
1
-
DDMA audio
+
-
Enduro
-
-
FreeSync
1
-
H.264, VC1, MPEG2 1080p video decoder
-
+
HD3D
+
-
LiquidVR
1
-
Optimus
-
+
PowerTune
-
-
TressFX
1
-
TrueAudio
+
-
TrueHD and DTS-HD audio bitstreaming
-
+
UVD
+
-
ZeroCore
-
-