Radeon R9 270 and Radeon HD 4670 AGP - video card comparison
Radeon R9 270
Radeon HD 4670 AGP
Architecture
GCN 1.0 (2012−2020)
TeraScale (2005−2013)
GPU code name
Curacao
RV730
Market segment
Desktop
Desktop
Release date
November 2013
July 2007
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x16
AGP 8x
Supplementary power connectors
1 x 6-pin
-
Boost clock speed
925 MHz
-
Core clock speed
-
750 MHz
Floating-point performance
2,368 gflops
480.0 gflops
Manufacturing process technology
28 nm
55 nm
Number of transistors
2,800 million
514 million
Pipelines / CUDA cores
1280
320
Power consumption (TDP)
150 Watt
59 Watt
Texture fill rate
74.00
24.00
Memory type
GDDR5
GDDR3
Maximum RAM amount
2 GB
1 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
-
1600 MHz
Memory bandwidth
179.2 GB/s
25.6 GB/s
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
1x DVI, 1x HDMI, 1x VGA
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
-
-