Radeon HD 4670 X2 and Radeon 680M - video card comparison
Radeon HD 4670 X2
Radeon 680M
Architecture
TeraScale (2005−2013)
RDNA 2 (2020−2022)
GPU code name
RV730
RDNA 2 Rembrandt
Market segment
Desktop
Laptop
Release date
September 2008
January 2022
Interface
PCIe 2.0 x16
PCIe 4.0 x8
Supplementary power connectors
1x 6-pin
None
Boost clock speed
-
2400 MHz
Core clock speed
750 MHz
-
Floating-point performance
2x 480.0 gflops
-
Manufacturing process technology
55 nm
6 nm
Number of transistors
514 million
13,100 million
Pipelines / CUDA cores
320
768
Power consumption (TDP)
118 Watt
45 Watt
Texture fill rate
24.00
115.2
Memory type
GDDR3
System Shared
Maximum RAM amount
512 MB
System Shared
Memory bus width
128 Bit
System Shared
Memory clock speed
1400 MHz
System Shared
Memory bandwidth
22.4 GB/s
-
Shared memory
-
-
Display Connectors
4x DVI
No outputs
DirectX
10.1 (10_1)
12 (12_1)
OpenCL
1.1
2.0
OpenGL
3.3
4.6
Shader Model
4.1
6.5
Vulkan
N/A
1.2