Radeon HD 3850 X2 and NX-SoC - video card comparison
Radeon HD 3850 X2
NX-SoC
Architecture
TeraScale (2005−2013)
Maxwell 2.0 (2015−2019)
GPU code name
RV670
GM20B
Market segment
Desktop
Desktop
Release date
April 2008
March 2017
Interface
PCIe 2.0 x16
IGP
Supplementary power connectors
-
None
Boost clock speed
-
768 MHz
Core clock speed
669 MHz
384 MHz
Floating-point performance
2x 428.2 gflops
393.2 gflops
Manufacturing process technology
55 nm
20 nm
Number of transistors
666 million
2,000 million
Pipelines / CUDA cores
320
256
Power consumption (TDP)
140 Watt
15 Watt
Texture fill rate
10.70
12.29
Memory type
GDDR3
DDR4
Maximum RAM amount
512 MB
4 GB
Memory bus width
256 Bit
64 Bit
Memory clock speed
1656 MHz
3200 MHz
Memory bandwidth
52.99 GB/s
25.6 GB/s
Display Connectors
2x DVI, 1x S-Video
No outputs
DirectX
10.1 (10_1)
12 (12_1)
CUDA
-
5.3
OpenCL
N/A
1.2
OpenGL
3.3
4.6
Shader Model
4.1
6.4
Vulkan
N/A
1.1.126