Radeon RX 5500 XT and GeForce GTX 660 - video card comparison
Passmark - benchmark score Radeon RX 5500 XT vs GeForce GTX 660
Radeon RX 5500 XT
9430
GeForce GTX 660
4119
Radeon RX 5500 XT
GeForce GTX 660
Architecture
RDNA 1.0 (2019−2020)
Kepler (2012−2018)
GPU code name
Navi 14 XTX
GK106
Market segment
Desktop
Desktop
Release date
December 2019
September 2012
Bus support
-
PCI Express 3.0
Interface
PCIe 4.0 x8
PCIe 3.0 x16
Supplementary power connectors
1x 8-pin
One 6-pin
SLI options
-
+
Boost clock speed
1845 MHz
1033 MHz
Core clock speed
1607 MHz
980 MHz
CUDA cores
-
960
Floating-point performance
-
1,981 gflops
Manufacturing process technology
7 nm
28 nm
Number of transistors
6,400 million
2,540 million
Pipelines / CUDA cores
1408
960
Power consumption (TDP)
130 Watt
140 Watt
Texture fill rate
162.4
78.4 billion/sec
Memory type
GDDR6
GDDR5
Maximum RAM amount
8 GB
2 GB
Memory bus width
128 Bit
192-bit GDDR5
Memory clock speed
14000 MHz
6.0 GB/s
Memory bandwidth
224.0 GB/s
144.2 GB/s
Shared memory
-
-
Display Connectors
1x HDMI, 3x DisplayPort
One Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPort
Multi monitor support
-
4 displays
HDMI
+
+
HDCP
-
+
Maximum VGA resolution
-
2048x1536
Audio input for HDMI
-
Internal
DirectX
12 (12_1)
12 (11_0)
CUDA
-
+
OpenCL
2.0
1.2
OpenGL
4.6
4.3
Shader Model
6.5
5.1
Vulkan
1.2.131
1.1.126
3D Blu-Ray
-
+
3D Gaming
-
+
3D Vision
-
+