GeForce GTX 660 Ti and Radeon RX 7900 XTX - video card comparison
Passmark - benchmark score GeForce GTX 660 Ti vs Radeon RX 7900 XTX
GeForce GTX 660 Ti
4547
Radeon RX 7900 XTX
31827
GeForce GTX 660 Ti
Radeon RX 7900 XTX
Architecture
Kepler (2012−2018)
RDNA 3
GPU code name
GK104
Navi 31 XTX
Market segment
Desktop
Desktop
Release date
August 2012
November 2022
Bus support
PCI Express 3.0
-
Interface
PCIe 3.0 x16
PCIe 4.0 x16
Supplementary power connectors
Two 6-pin
2x 8-pin
SLI options
+
-
Boost clock speed
980 MHz
2270 MHz
Core clock speed
915 MHz
-
CUDA cores
1344
-
Floating-point performance
2,459.5 gflops
-
Manufacturing process technology
28 nm
5 nm
Number of transistors
3,540 million
57,700 million
Pipelines / CUDA cores
1344
6144
Power consumption (TDP)
150 Watt
355 Watt
Texture fill rate
102.5 billion/sec
959.6
Memory type
GDDR5
GDDR6
Maximum RAM amount
2 GB
24 GB
Memory bus width
192-bit GDDR5
384 Bit
Memory clock speed
6.0 GB/s
20000 MHz
Memory bandwidth
144.2 GB/s
960.0 GB/s
Shared memory
-
-
Display Connectors
One Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPort
1x HDMI 2.1a, 2x DisplayPort 2.1, 1x USB Type-C
Multi monitor support
4 displays
-
HDMI
+
+
HDCP
+
-
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
Internal
-
DirectX
12 (11_0)
12 Ultimate (12_2)
CUDA
+
-
OpenCL
1.2
2.1
OpenGL
4.3
4.6
Shader Model
5.1
6.7
Vulkan
1.1.126
1.3
3D Blu-Ray
+
-
3D Gaming
+
-
3D Vision
+
-