GeForce GTX 980 Ti and Radeon RX 6600M - video card comparison
Passmark - benchmark score GeForce GTX 980 Ti vs Radeon RX 6600M
GeForce GTX 980 Ti
14228
Radeon RX 6600M
14089
GeForce GTX 980 Ti
Radeon RX 6600M
Architecture
Maxwell (2014−2018)
RDNA 2 (2020−2022)
GPU code name
GM200
R21M-E65-70
Market segment
Desktop
Laptop
Release date
June 2015
September 2020
Bus support
PCI Express 3.0
-
Interface
PCIe 3.0 x16
PCIe 4.0 x8
Recommended system power (PSU)
600 Watt
-
Supplementary power connectors
6-pin + 8-pin
None
SLI options
+
-
Boost clock speed
1075 MHz
2177 MHz
Core clock speed
1000 MHz
2068 MHz
CUDA cores
2816
-
Floating-point performance
6,060 gflops
-
Manufacturing process technology
28 nm
7 nm
Number of transistors
8,000 million
11,060 million
Pipelines / CUDA cores
2816
1792
Power consumption (TDP)
250 Watt
100 Watt (50 - 100 Watt TGP)
Texture fill rate
176 billion/sec
235.8
Memory type
GDDR5
GDDR6
Maximum RAM amount
6 GB
8 GB
Memory bus width
384 Bit
128 Bit
Memory clock speed
7.0 GB/s
14000 MHz
Memory bandwidth
336.5 GB/s
256.0 GB/s
Shared memory
-
-
Display Connectors
Dual Link DVI-I, HDMI 2.0, 3x DisplayPort 1.2
No outputs
Multi monitor support
4 displays
-
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
2048x1536
-
G-SYNC support
+
-
Audio input for HDMI
Internal
-
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
1.1.126
1.2
GameStream
+
-
GameWorks
+
-
GeForce ShadowPlay
+
-
GPU Boost
2.0
-