Radeon RX Vega 64 and Radeon RX 6800 XT - video card comparison
Passmark - benchmark score Radeon RX Vega 64 vs Radeon RX 6800 XT
Radeon RX Vega 64
14789
Radeon RX 6800 XT
25788
Radeon RX Vega 64
Radeon RX 6800 XT
Architecture
Vega (2017−2021)
Navi / RDNA2 (2020−2022)
GPU code name
Vega
Navi 21
Market segment
Desktop
Desktop
Release date
August 2017
November 2020
Interface
PCIe 3.0 x16
PCIe 4.0 x16
Supplementary power connectors
2x 8-pin
2x 8-pin
Boost clock speed
1546 MHz
2250 MHz
Core clock speed
1630 MHz
1825 MHz
Floating-point performance
13,353 gflops
-
Manufacturing process technology
14 nm
7 nm
Number of transistors
12,500 million
26,800 million
Pipelines / CUDA cores
4096
4608
Power consumption (TDP)
295 Watt
300 Watt
Texture fill rate
395.8
648.0
Memory type
HBM2
GDDR6
Maximum RAM amount
8 GB
16 GB
Memory bus width
2048 Bit
256 Bit
Memory clock speed
945 MHz
16000 MHz
Memory bandwidth
483.8 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
2.0
OpenGL
4.6
4.6
Shader Model
6.4
6.5
Vulkan
1.1.125
1.2