
RTX A4000 and Radeon RX 6600M - video card comparison
Passmark - benchmark score RTX A4000 vs Radeon RX 6600M
RTX A4000
19982
Radeon RX 6600M
14089
RTX A4000
Radeon RX 6600M
Architecture
Ampere (2020−2022)
RDNA 2 (2020−2022)
GPU code name
GA104
R21M-E65-70
Market segment
Workstation
Laptop
Release date
April 2021
September 2020
Interface
PCIe 4.0 x16
PCIe 4.0 x8
Supplementary power connectors
1x 6-pin
None
Boost clock speed
1560 MHz
2177 MHz
Core clock speed
-
2068 MHz
Manufacturing process technology
8 nm
7 nm
Number of transistors
17,400 million
11,060 million
Pipelines / CUDA cores
6144
1792
Power consumption (TDP)
140 Watt
100 Watt (50 - 100 Watt TGP)
Texture fill rate
299.5
235.8
Memory type
GDDR6
GDDR6
Maximum RAM amount
16 GB
8 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
14 GB/s
14000 MHz
Memory bandwidth
448.0 GB/s
256.0 GB/s
Shared memory
-
-
Display Connectors
4x DisplayPort 1.4a
No outputs
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
CUDA
8.6
-
OpenCL
3.0
2.1
OpenGL
4.6
4.6
Shader Model
6.7
6.5
Vulkan
1.3
1.2