
Riva 128 and Radeon 680M - video card comparison
Riva 128
Radeon 680M
Architecture
-
RDNA 2 (2020−2022)
GPU code name
NV3
RDNA 2 Rembrandt
Market segment
Desktop
Laptop
Release date
April 1997
January 2022
Interface
AGP 2x
PCIe 4.0 x8
Supplementary power connectors
None
None
Boost clock speed
-
2400 MHz
Core clock speed
100 MHz
-
Manufacturing process technology
350 nm
6 nm
Number of transistors
4 million
13,100 million
Pipelines / CUDA cores
-
768
Power consumption (TDP)
4 Watt
45 Watt
Texture fill rate
0.1
115.2
Memory type
SDR
System Shared
Maximum RAM amount
4 MB
System Shared
Memory bus width
128 Bit
System Shared
Memory clock speed
100 MHz
System Shared
Memory bandwidth
1.6 GB/s
-
Shared memory
-
-
Display Connectors
1x VGA, 1x DB13W3
No outputs
DirectX
5.0
12 (12_1)
OpenCL
N/A
2.0
OpenGL
1.0
4.6
Shader Model
-
6.5
Vulkan
N/A
1.2