Radeon RX 6900 XT and GeForce 6600 - video card comparison
Passmark - benchmark score Radeon RX 6900 XT vs GeForce 6600
Radeon RX 6900 XT
27641
GeForce 6600
89
Radeon RX 6900 XT
GeForce 6600
Architecture
Navi / RDNA2 (2020−2022)
Curie (2003−2013)
GPU code name
Navi 21
NV43 A2
Market segment
Desktop
Desktop
Release date
December 2020
August 2004
Interface
PCIe 4.0 x16
PCIe 1.0 x16
Supplementary power connectors
2x 8-pin
None
Boost clock speed
2250 MHz
-
Core clock speed
1825 MHz
300 MHz
Manufacturing process technology
7 nm
110 nm
Number of transistors
26,800 million
146 million
Pipelines / CUDA cores
5120
-
Power consumption (TDP)
300 Watt
-
Texture fill rate
720.0
2.400
Memory type
GDDR6
DDR
Maximum RAM amount
16 GB
256 MB
Memory bus width
256 Bit
128 Bit
Memory clock speed
16000 MHz
500 MHz
Memory bandwidth
512.0 GB/s
8 GB/s
Shared memory
-
-
Display Connectors
1x HDMI, 2x DisplayPort, 1x USB Type-C
1x DVI, 1x VGA, 1x S-Video
HDMI
+
-
DirectX
12 Ultimate (12_2)
9.0c (9_3)
OpenCL
2.1
N/A
OpenGL
4.6
2.1
Shader Model
6.5
3.0
Vulkan
1.2
N/A