Radeon R9 270 1024SP and Radeon HD 4650 - video card comparison
Radeon R9 270 1024SP
Radeon HD 4650
Architecture
GCN 1.0 (2012−2020)
TeraScale (2005−2013)
GPU code name
Pitcairn
RV730
Market segment
Desktop
Desktop
Release date
March 2015
September 2008
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 6-pin
-
Boost clock speed
925 MHz
-
Core clock speed
900 MHz
600 MHz
Floating-point performance
1,894 gflops
384.0 gflops
Manufacturing process technology
28 nm
55 nm
Number of transistors
2,800 million
514 million
Pipelines / CUDA cores
1024
320
Power consumption (TDP)
150 Watt
48 Watt
Texture fill rate
59.20
19.20
Memory type
GDDR5
GDDR3
Maximum RAM amount
2 GB
256 MB
Memory bus width
256 Bit
128 Bit
Memory clock speed
4800 MHz
1400 MHz
Memory bandwidth
153.6 GB/s
22.4 GB/s
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
2x DVI, 1x S-Video
HDMI
+
-
DirectX
12 (11_1)
10.1 (10_1)
OpenCL
1.2
1.1
OpenGL
4.6
3.3
Shader Model
5.1
4.1
Vulkan
1.2.131
N/A