GeForce GTX 1080 and Radeon RX 6600M - video card comparison
Passmark - benchmark score GeForce GTX 1080 vs Radeon RX 6600M
GeForce GTX 1080
16002
Radeon RX 6600M
14089
GeForce GTX 1080
Radeon RX 6600M
Architecture
Pascal (2016−2021)
RDNA 2 (2020−2022)
GPU code name
Pascal GP104
R21M-E65-70
Market segment
Desktop
Laptop
Release date
May 2016
September 2020
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x16
PCIe 4.0 x8
Recommended system power (PSU)
500 Watt
-
Supplementary power connectors
8-pin
None
SLI options
+
-
Boost clock speed
1733 MHz
2177 MHz
Core clock speed
1607 MHz
2068 MHz
CUDA cores
2560
-
Floating-point performance
8,873 gflops
-
Manufacturing process technology
16 nm
7 nm
Number of transistors
7,200 million
11,060 million
Pipelines / CUDA cores
2560
1792
Power consumption (TDP)
180 Watt
100 Watt (50 - 100 Watt TGP)
Maximum GPU temperature
94 °C
-
Texture fill rate
277.3
235.8
Memory type
GDDR5X
GDDR6
Maximum RAM amount
8 GB
8 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
10 GB/s
14000 MHz
Memory bandwidth
320 GB/s
256.0 GB/s
Shared memory
-
-
Display Connectors
DP 1.42, HDMI 2.0b, DL-DVI
No outputs
Multi monitor support
+
-
HDMI
+
-
G-SYNC support
+
-
DirectX
12 (12_1)
12 Ultimate (12_2)
CUDA
+
-
OpenCL
1.2
2.1
OpenGL
4.5
4.6
Shader Model
6.4
6.5
Vulkan
1.2.131
1.2
Ansel
+
-
GPU Boost
3.0
-
VR Ready
+
-