Radeon RX Vega 64 and Radeon RX 6600M - video card comparison
Passmark - benchmark score Radeon RX Vega 64 vs Radeon RX 6600M
Radeon RX Vega 64
14789
Radeon RX 6600M
14089
Radeon RX Vega 64
Radeon RX 6600M
Architecture
Vega (2017−2021)
RDNA 2 (2020−2022)
GPU code name
Vega
R21M-E65-70
Market segment
Desktop
Laptop
Release date
August 2017
September 2020
Interface
PCIe 3.0 x16
PCIe 4.0 x8
Supplementary power connectors
2x 8-pin
None
Boost clock speed
1546 MHz
2177 MHz
Core clock speed
1630 MHz
2068 MHz
Floating-point performance
13,353 gflops
-
Manufacturing process technology
14 nm
7 nm
Number of transistors
12,500 million
11,060 million
Pipelines / CUDA cores
4096
1792
Power consumption (TDP)
295 Watt
100 Watt (50 - 100 Watt TGP)
Texture fill rate
395.8
235.8
Memory type
HBM2
GDDR6
Maximum RAM amount
8 GB
8 GB
Memory bus width
2048 Bit
128 Bit
Memory clock speed
945 MHz
14000 MHz
Memory bandwidth
483.8 GB/s
256.0 GB/s
Shared memory
-
-
Display Connectors
1x HDMI, 3x DisplayPort
No outputs
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