Radeon RX Vega 56 and Radeon RX 6600 XT - video card comparison
Passmark - benchmark score Radeon RX Vega 56 vs Radeon RX 6600 XT
Radeon RX Vega 56
13659
Radeon RX 6600 XT
16985
Radeon RX Vega 56
Radeon RX 6600 XT
Architecture
Vega (2017−2021)
Navi / RDNA2 (2020−2022)
GPU code name
Vega
Navi 23
Market segment
Desktop
Desktop
Release date
August 2017
July 2021
Interface
PCIe 3.0 x16
PCIe 4.0 x8
Supplementary power connectors
2x 8-pin
1x 8-pin
Boost clock speed
1474 MHz
2589 MHz
Core clock speed
1138 MHz
1968 MHz
Floating-point performance
10,566 gflops
-
Manufacturing process technology
14 nm
7 nm
Number of transistors
12,500 million
11,060 million
Pipelines / CUDA cores
3584
2048
Power consumption (TDP)
210 Watt
160 (TGP) Watt
Texture fill rate
329.5
331.4
Memory type
HBM2
GDDR6
Maximum RAM amount
8 GB
8 GB
Memory bus width
409.6 Bit
128 Bit
Memory clock speed
800 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 (12_1)
12.0 Ultimate (12_2)
OpenCL
2.0
2.1
OpenGL
4.6
4.6
Shader Model
6.4
6.5
Vulkan
1.1.125
1.2