Radeon HD 6930 and Radeon 680M - video card comparison
Radeon HD 6930
Radeon 680M
Architecture
TeraScale 3 (2010−2013)
RDNA 2 (2020−2022)
GPU code name
Cayman
RDNA 2 Rembrandt
Market segment
Desktop
Laptop
Release date
December 2011
January 2022
Interface
PCIe 2.0 x16
PCIe 4.0 x8
Supplementary power connectors
2x 6-pin
None
Boost clock speed
-
2400 MHz
Core clock speed
750 MHz
-
Floating-point performance
1,920.0 gflops
-
Manufacturing process technology
40 nm
6 nm
Number of transistors
2,640 million
13,100 million
Pipelines / CUDA cores
1280
768
Power consumption (TDP)
186 Watt
45 Watt
Texture fill rate
60.00
115.2
Memory type
GDDR5
System Shared
Maximum RAM amount
1 GB
System Shared
Memory bus width
256 Bit
System Shared
Memory clock speed
4800 MHz
System Shared
Memory bandwidth
153.6 GB/s
-
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 2x mini-DisplayPort
No outputs
HDMI
+
-
DirectX
11.2 (11_0)
12 (12_1)
OpenCL
1.2
2.0
OpenGL
4.4
4.6
Shader Model
5.0
6.5
Vulkan
N/A
1.2