Radeon HD 3870 and Tegra X1 GPU - video card comparison
Radeon HD 3870
Tegra X1 GPU
Architecture
TeraScale (2005−2013)
Maxwell 2.0 (2015−2019)
GPU code name
RV670
GM20B
Market segment
Desktop
Desktop
Release date
November 2007
January 2015
Interface
PCIe 2.0 x16
IGP
Supplementary power connectors
1x 6-pin
-
Core clock speed
777 MHz
1000 MHz
Floating-point performance
497.3 gflops
-
Manufacturing process technology
55 nm
20 nm
Number of transistors
666 million
2,000 million
Pipelines / CUDA cores
320
256
Power consumption (TDP)
106 Watt
15 Watt
Texture fill rate
12.43
16.00
Memory type
GDDR4
System Shared
Maximum RAM amount
512 MB
System Shared
Memory bus width
256 Bit
System Shared
Memory clock speed
2252 MHz
System Shared
Memory bandwidth
72.06 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