
Radeon HD 4580 and UHD Graphics 770 Mobile - video card comparison
Radeon HD 4580
UHD Graphics 770 Mobile
Architecture
TeraScale (2005−2013)
Generation 12.2 (2021−2022)
GPU code name
RV635
Raptor Lake GT1
Market segment
Desktop
Laptop
Release date
November 2011
January 2023
Interface
PCIe 2.0 x16
Ring Bus
Supplementary power connectors
None
-
Boost clock speed
-
1600 MHz
Core clock speed
796 MHz
-
Floating-point performance
191.04 gflops
-
Manufacturing process technology
55 nm
10 nm
Number of transistors
378 million
-
Pipelines / CUDA cores
120
256
Power consumption (TDP)
65 Watt
15 Watt
Texture fill rate
6.368
25.60
Memory type
GDDR3
System Shared
Maximum RAM amount
512 MB
System Shared
Memory bus width
128 Bit
System Shared
Memory clock speed
1386 MHz
System Shared
Memory bandwidth
22.18 GB/s
-
Display Connectors
2x DVI, 1x S-Video
Portable Device Dependent
DirectX
10.1 (10_1)
12 (12_1)
OpenCL
N/A
3.0
OpenGL
3.3
4.6
Shader Model
4.1
6.6
Vulkan
N/A
1.3