Radeon R9 270 and Radeon HD 4860 - video card comparison
Radeon R9 270
Radeon HD 4860
Architecture
GCN 1.0 (2012−2020)
TeraScale (2005−2013)
GPU code name
Curacao
RV790
Market segment
Desktop
Desktop
Release date
November 2013
September 2009
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
1 x 6-pin
2x 6-pin
Boost clock speed
925 MHz
-
Core clock speed
-
700 MHz
Floating-point performance
2,368 gflops
896.0 gflops
Manufacturing process technology
28 nm
55 nm
Number of transistors
2,800 million
959 million
Pipelines / CUDA cores
1280
640
Power consumption (TDP)
150 Watt
130 Watt
Texture fill rate
74.00
22.40
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
512 MB
Memory bus width
256 Bit
256 Bit
Memory clock speed
-
3000 MHz
Memory bandwidth
179.2 GB/s
96 GB/s
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
2x DVI, 1x S-Video
Eyefinity
1
-
HDMI
+
-
DisplayPort support
+
-
DirectX
DirectX® 12
10.1 (10_1)
Mantle
-
-
OpenCL
1.2
1.1
OpenGL
4.6
3.3
Shader Model
5.1
4.1
Vulkan
+
N/A
AppAcceleration
-
-
CrossFire
1
-
DDMA audio
+
-
Enduro
-
-
FreeSync
1
-
HD3D
+
-
LiquidVR
1
-
PowerTune
-
-
TressFX
1
-
TrueAudio
+
-
UVD
+
-
ZeroCore
-
-