
Radeon HD 4770 and Radeon R5 Graphics - video card comparison
Radeon HD 4770
Radeon R5 Graphics
Architecture
TeraScale (2005−2013)
GCN 2.0 (2013−2017)
GPU code name
RV740
Spectre SL
Market segment
Desktop
Desktop
Release date
April 2009
September 2014
Interface
PCIe 2.0 x16
IGP
Supplementary power connectors
1x 6-pin
-
Boost clock speed
-
720 MHz
Core clock speed
750 MHz
497 MHz
Floating-point performance
960.0 gflops
388.1 gflops
Manufacturing process technology
40 nm
28 nm
Number of transistors
826 million
2,410 million
Pipelines / CUDA cores
640
256
Power consumption (TDP)
80 Watt
15 Watt
Texture fill rate
24.00
7.952
Memory type
GDDR5
System Shared
Maximum RAM amount
512 MB
System Shared
Memory bus width
128 Bit
System Shared
Memory clock speed
3200 MHz
System Shared
Memory bandwidth
51.2 GB/s
-
Display Connectors
2x DVI, 1x S-Video
No outputs
DirectX
10.1 (10_1)
12 (12_0)
OpenCL
1.1
2.0
OpenGL
3.3
4.6
Shader Model
4.1
6.0
Vulkan
N/A
1.2.131