Radeon RX 6600 XT and Radeon 680M - video card comparison
Passmark - benchmark score Radeon RX 6600 XT vs Radeon 680M
Radeon RX 6600 XT
16985
Radeon 680M
6351
Radeon RX 6600 XT
Radeon 680M
Architecture
Navi / RDNA2 (2020−2022)
RDNA 2 (2020−2022)
GPU code name
Navi 23
RDNA 2 Rembrandt
Market segment
Desktop
Laptop
Release date
July 2021
January 2022
Interface
PCIe 4.0 x8
PCIe 4.0 x8
Supplementary power connectors
1x 8-pin
None
Boost clock speed
2589 MHz
2400 MHz
Core clock speed
1968 MHz
-
Manufacturing process technology
7 nm
6 nm
Number of transistors
11,060 million
13,100 million
Pipelines / CUDA cores
2048
768
Power consumption (TDP)
160 (TGP) Watt
45 Watt
Texture fill rate
331.4
115.2
Memory type
GDDR6
System Shared
Maximum RAM amount
8 GB
System Shared
Memory bus width
128 Bit
System Shared
Memory clock speed
16000 MHz
System Shared
Memory bandwidth
256.0 GB/s
-
Shared memory
-
-
Display Connectors
1x HDMI, 2x DisplayPort
No outputs
HDMI
+
-
DirectX
12.0 Ultimate (12_2)
12 (12_1)
OpenCL
2.1
2.0
OpenGL
4.6
4.6
Shader Model
6.5
6.5
Vulkan
1.2
1.2