Radeon RX Vega 64 Nano and Radeon RX 6600 XT - video card comparison
Radeon RX Vega 64 Nano
Radeon RX 6600 XT
Architecture
GCN 5.0 (2017−2020)
Navi / RDNA2 (2020−2022)
GPU code name
Vega 10
Navi 23
Market segment
Desktop
Desktop
Release date
October 2017
July 2021
Interface
PCIe 3.0 x16
PCIe 4.0 x8
Supplementary power connectors
2x 8-pin
1x 8-pin
Boost clock speed
1247 MHz
2589 MHz
Core clock speed
1156 MHz
1968 MHz
Floating-point performance
10,215 gflops
-
Manufacturing process technology
14 nm
7 nm
Number of transistors
12,500 million
11,060 million
Pipelines / CUDA cores
4096
2048
Power consumption (TDP)
250 Watt
160 (TGP) Watt
Texture fill rate
319.2
331.4
Memory type
HBM2
GDDR6
Maximum RAM amount
8 GB
8 GB
Memory bus width
2048 Bit
128 Bit
Memory clock speed
1600 MHz
16000 MHz
Memory bandwidth
409.6 GB/s
256.0 GB/s
Shared memory
-
-
Display Connectors
1x HDMI, 3x DisplayPort
1x HDMI, 2x DisplayPort
HDMI
+
+
DirectX
12.0
12.0 Ultimate (12_2)
OpenCL
2.0
2.1
OpenGL
4.6
4.6
Shader Model
5.0
6.5
Vulkan
-
1.2