Radeon HD 3870 and GeForce GTX 1660 - video card comparison
Passmark - benchmark score Radeon HD 3870 vs GeForce GTX 1660
Radeon HD 3870
572
GeForce GTX 1660
12040
Radeon HD 3870
GeForce GTX 1660
Architecture
TeraScale (2005−2013)
Turing (2018−2021)
GPU code name
RV670
Turing TU116
Market segment
Desktop
Desktop
Release date
November 2007
March 2019
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Supplementary power connectors
1x 6-pin
1x 8-pin
Boost clock speed
-
1785 MHz
Core clock speed
777 MHz
1530 MHz
Floating-point performance
497.3 gflops
-
Manufacturing process technology
55 nm
12 nm
Number of transistors
666 million
6,600 million
Pipelines / CUDA cores
320
1408
Power consumption (TDP)
106 Watt
120 Watt
Texture fill rate
12.43
157.1
Memory type
GDDR4
GDDR5
Maximum RAM amount
512 MB
6 GB
Memory bus width
256 Bit
192 Bit
Memory clock speed
2252 MHz
8000 MHz
Memory bandwidth
72.06 GB/s
192.1 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x S-Video
1x DVI, 1x HDMI, 1x DisplayPort
HDMI
-
+
DirectX
10.1 (10_1)
12 (12_1)
CUDA
-
7.5
OpenCL
N/A
1.2
OpenGL
3.3
4.6
Shader Model
4.1
6.5
Vulkan
N/A
1.2.131