Radeon HD 4580 and Radeon 680M - video card comparison
Radeon HD 4580
Radeon 680M
Architecture
TeraScale (2005−2013)
RDNA 2 (2020−2022)
GPU code name
RV635
RDNA 2 Rembrandt
Market segment
Desktop
Laptop
Release date
November 2011
January 2022
Interface
PCIe 2.0 x16
PCIe 4.0 x8
Supplementary power connectors
None
None
Boost clock speed
-
2400 MHz
Core clock speed
796 MHz
-
Floating-point performance
191.04 gflops
-
Manufacturing process technology
55 nm
6 nm
Number of transistors
378 million
13,100 million
Pipelines / CUDA cores
120
768
Power consumption (TDP)
65 Watt
45 Watt
Texture fill rate
6.368
115.2
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
-
Shared memory
-
-
Display Connectors
2x DVI, 1x S-Video
No outputs
DirectX
10.1 (10_1)
12 (12_1)
OpenCL
N/A
2.0
OpenGL
3.3
4.6
Shader Model
4.1
6.5
Vulkan
N/A
1.2