Radeon RX Vega 56 and Radeon RX 6900 XT - video card comparison
Passmark - benchmark score Radeon RX Vega 56 vs Radeon RX 6900 XT
Radeon RX Vega 56
13659
Radeon RX 6900 XT
27642
Radeon RX Vega 56
Radeon RX 6900 XT
Architecture
Vega (2017−2021)
Navi / RDNA2 (2020−2022)
GPU code name
Vega
Navi 21
Market segment
Desktop
Desktop
Release date
August 2017
December 2020
Interface
PCIe 3.0 x16
PCIe 4.0 x16
Supplementary power connectors
2x 8-pin
2x 8-pin
Boost clock speed
1474 MHz
2250 MHz
Core clock speed
1138 MHz
1825 MHz
Floating-point performance
10,566 gflops
-
Manufacturing process technology
14 nm
7 nm
Number of transistors
12,500 million
26,800 million
Pipelines / CUDA cores
3584
5120
Power consumption (TDP)
210 Watt
300 Watt
Texture fill rate
329.5
720.0
Memory type
HBM2
GDDR6
Maximum RAM amount
8 GB
16 GB
Memory bus width
409.6 Bit
256 Bit
Memory clock speed
800 MHz
16000 MHz
Memory bandwidth
409.6 GB/s
512.0 GB/s
Shared memory
-
-
Display Connectors
1x HDMI, 3x DisplayPort
1x HDMI, 2x DisplayPort, 1x USB Type-C
HDMI
+
+
DirectX
12 (12_1)
12 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