GeForce RTX 3080 and Radeon RX 6600 XT - video card comparison
Passmark - benchmark score GeForce RTX 3080 vs Radeon RX 6600 XT
GeForce RTX 3080
26041
Radeon RX 6600 XT
16985
GeForce RTX 3080
Radeon RX 6600 XT
Architecture
Ampere (2020−2022)
Navi / RDNA2 (2020−2022)
GPU code name
Ampere GA102
Navi 23
Market segment
Desktop
Desktop
Release date
September 2020
July 2021
Interface
PCIe 4.0 x16
PCIe 4.0 x8
Supplementary power connectors
1x 12-pin
1x 8-pin
Boost clock speed
1710 MHz
2589 MHz
Core clock speed
1450 MHz
1968 MHz
Manufacturing process technology
8 nm
7 nm
Number of transistors
28,300 million
11,060 million
Pipelines / CUDA cores
8704
2048
Power consumption (TDP)
320 Watt
160 (TGP) Watt
Texture fill rate
465.1
331.4
Memory type
GDDR6X
GDDR6
Maximum RAM amount
10 GB
8 GB
Memory bus width
320 Bit
128 Bit
Memory clock speed
19000 MHz
16000 MHz
Memory bandwidth
760.3 GB/s
256.0 GB/s
Shared memory
-
-
Display Connectors
1x HDMI, 3x DisplayPort
1x HDMI, 2x DisplayPort
HDMI
+
+
DirectX
12 Ultimate (12_2)
12.0 Ultimate (12_2)
CUDA
8.5
-
OpenCL
2.0
2.1
OpenGL
4.6
4.6
Shader Model
6.5
6.5
Vulkan
1.2
1.2