GeForce GTX 1660 Ti and Radeon HD 7990 - video card comparison
Passmark - benchmark score GeForce GTX 1660 Ti vs Radeon HD 7990
GeForce GTX 1660 Ti
13314
Radeon HD 7990
5732
GeForce GTX 1660 Ti
Radeon HD 7990
Architecture
Turing (2018−2021)
GCN 1.0 (2012−2020)
GPU code name
Turing TU116
Malta
Market segment
Desktop
Desktop
Release date
February 2019
April 2013
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
1x 8-pin
2x 8-pin
Boost clock speed
1770 MHz
1000 MHz
Core clock speed
1500 MHz
950 MHz
Floating-point performance
-
2x 4,096 gflops
Manufacturing process technology
12 nm
28 nm
Number of transistors
6,600 million
4,313 million
Pipelines / CUDA cores
1536
2048
Power consumption (TDP)
120 Watt
375 Watt
Texture fill rate
169.9
128.0
Memory type
GDDR6
GDDR5
Maximum RAM amount
6 GB
3 GB
Memory bus width
192 Bit
384 Bit
Memory clock speed
12000 MHz
6000 MHz
Memory bandwidth
288.0 GB/s
288.0 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
1x DVI, 4x mini-DisplayPort
HDMI
+
-
DirectX
12 (12_1)
12 (11_1)
CUDA
7.5
-
OpenCL
1.2
1.2
OpenGL
4.6
4.6
Shader Model
6.5
5.1
Vulkan
1.2.131
1.2.131