Radeon RX 6600 XT and RTX A4500 - video card comparison
Passmark - benchmark score Radeon RX 6600 XT vs RTX A4500
Radeon RX 6600 XT
16985
RTX A4500
22435
Radeon RX 6600 XT
RTX A4500
Architecture
Navi / RDNA2 (2020−2022)
Ampere (2020−2022)
GPU code name
Navi 23
GA102
Market segment
Desktop
Workstation
Release date
July 2021
November 2021
Interface
PCIe 4.0 x8
PCIe 4.0 x16
Supplementary power connectors
1x 8-pin
1x 8-pin
Boost clock speed
2589 MHz
1650 MHz
Core clock speed
1968 MHz
-
Manufacturing process technology
7 nm
8 nm
Number of transistors
11,060 million
28,300 million
Pipelines / CUDA cores
2048
7168
Power consumption (TDP)
160 (TGP) Watt
200 Watt
Texture fill rate
331.4
369.6
Memory type
GDDR6
GDDR6
Maximum RAM amount
8 GB
20 GB
Memory bus width
128 Bit
320 Bit
Memory clock speed
16000 MHz
16 GB/s
Memory bandwidth
256.0 GB/s
640.0 GB/s
Shared memory
-
-
Display Connectors
1x HDMI, 2x DisplayPort
4x DisplayPort 1.4a
HDMI
+
-
DirectX
12.0 Ultimate (12_2)
12 Ultimate (12_2)
CUDA
-
8.6
OpenCL
2.1
3.0
OpenGL
4.6
4.6
Shader Model
6.5
6.7
Vulkan
1.2
1.3