GeForce GTX 680MX and Radeon RX 6600 XT - video card comparison
Passmark - benchmark score GeForce GTX 680MX vs Radeon RX 6600 XT
GeForce GTX 680MX
4266
Radeon RX 6600 XT
16985
GeForce GTX 680MX
Radeon RX 6600 XT
Architecture
Kepler (2012−2018)
Navi / RDNA2 (2020−2022)
GPU code name
-
Navi 23
Market segment
Laptop
Desktop
Release date
October 2012
July 2021
Bus support
PCI Express 3.0
-
Interface
-
PCIe 4.0 x8
Supplementary power connectors
-
1x 8-pin
SLI options
+
-
Boost clock speed
-
2589 MHz
Core clock speed
720 MHz
1968 MHz
CUDA cores
1536
-
Manufacturing process technology
28 nm
7 nm
Number of transistors
3540 Million
11,060 million
Pipelines / CUDA cores
1536
2048
Power consumption (TDP)
122 Watt
160 (TGP) Watt
Texture fill rate
92.2 billion/sec
331.4
Memory type
GDDR5
GDDR6
Maximum RAM amount
2 GB
8 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
2500 MHz
16000 MHz
Memory bandwidth
160 GB/s
256.0 GB/s
Shared memory
-
-
Display Connectors
-
1x HDMI, 2x DisplayPort
HDMI
-
+
DirectX
12 API
12.0 Ultimate (12_2)
CUDA
+
-
OpenCL
1.1
2.1
OpenGL
4.5
4.6
Shader Model
-
6.5
Vulkan
-
1.2
3D Vision
+
-
Optimus
+
-