Radeon R9 270 and GeForce 820M - video card comparison
Passmark - benchmark score Radeon R9 270 vs GeForce 820M
Radeon R9 270
4435
GeForce 820M
511
Radeon R9 270
GeForce 820M
Architecture
GCN 1.0 (2012−2020)
Fermi (2010−2014)
GPU code name
Curacao
N15V-GM
Market segment
Desktop
Laptop
Release date
November 2013
January 2014
Bus support
PCIe 3.0
PCI Express 2.0
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
1 x 6-pin
-
Boost clock speed
925 MHz
-
Core clock speed
-
775 MHz
Floating-point performance
2,368 gflops
240.0 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
2,800 million
585 million
Pipelines / CUDA cores
1280
96
Power consumption (TDP)
150 Watt
15 Watt
Texture fill rate
74.00
10.00
Memory type
GDDR5
DDR3
Maximum RAM amount
2 GB
2 GB
Memory bus width
256 Bit
64 Bit
Memory clock speed
-
1800 MHz
Memory bandwidth
179.2 GB/s
14.4 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
No outputs
Eyefinity
1
-
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
+
N/A
AppAcceleration
-
-
CrossFire
1
-
DDMA audio
+
-
Enduro
-
-
FreeSync
1
-
GameWorks
-
+
GPU Boost
-
2.0
HD3D
+
-
LiquidVR
1
-
Optimus
-
+
PowerTune
-
-
TressFX
1
-
TrueAudio
+
-
UVD
+
-
ZeroCore
-
-