Radeon RX Vega 64 and Radeon RX 7990 XTX - video card comparison
Radeon RX Vega 64
Radeon RX 7990 XTX
Architecture
Vega (2017−2021)
RDNA 3.0 (2022)
GPU code name
Vega
Navi 31
Market segment
Desktop
Desktop
Release date
August 2017
2023
Interface
PCIe 3.0 x16
PCIe 4.0 x16
Supplementary power connectors
2x 8-pin
3x 8-pin
Boost clock speed
1546 MHz
3599 MHz
Core clock speed
1630 MHz
-
Floating-point performance
13,353 gflops
-
Manufacturing process technology
14 nm
5 nm
Number of transistors
12,500 million
57,700 million
Pipelines / CUDA cores
4096
6144
Power consumption (TDP)
295 Watt
405 Watt
Texture fill rate
395.8
1,382
Memory type
HBM2
GDDR6
Maximum RAM amount
8 GB
24 GB
Memory bus width
2048 Bit
384 Bit
Memory clock speed
945 MHz
24 GB/s
Memory bandwidth
483.8 GB/s
1,152 GB/s
Shared memory
-
-
Display Connectors
1x HDMI, 3x DisplayPort
1x HDMI 2.1a, 2x DisplayPort 2.1, 1x USB Type-C
HDMI
+
+
DirectX
12 (12_1)
12 Ultimate (12_2)
OpenCL
2.0
2.2
OpenGL
4.6
4.6
Shader Model
6.4
6.7
Vulkan
1.1.125
1.3