GeForce GTX 980 Ti and Radeon RX 7990 XTX - video card comparison
GeForce GTX 980 Ti
Radeon RX 7990 XTX
Architecture
Maxwell (2014−2018)
RDNA 3.0 (2022)
GPU code name
GM200
Navi 31
Market segment
Desktop
Desktop
Release date
June 2015
2023
Bus support
PCI Express 3.0
-
Interface
PCIe 3.0 x16
PCIe 4.0 x16
Recommended system power (PSU)
600 Watt
-
Supplementary power connectors
6-pin + 8-pin
3x 8-pin
SLI options
+
-
Boost clock speed
1075 MHz
3599 MHz
Core clock speed
1000 MHz
-
CUDA cores
2816
-
Floating-point performance
6,060 gflops
-
Manufacturing process technology
28 nm
5 nm
Number of transistors
8,000 million
57,700 million
Pipelines / CUDA cores
2816
6144
Power consumption (TDP)
250 Watt
405 Watt
Texture fill rate
176 billion/sec
1,382
Memory type
GDDR5
GDDR6
Maximum RAM amount
6 GB
24 GB
Memory bus width
384 Bit
384 Bit
Memory clock speed
7.0 GB/s
24 GB/s
Memory bandwidth
336.5 GB/s
1,152 GB/s
Shared memory
-
-
Display Connectors
Dual Link DVI-I, HDMI 2.0, 3x DisplayPort 1.2
1x HDMI 2.1a, 2x DisplayPort 2.1, 1x USB Type-C
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
2.2
OpenGL
4.5
4.6
Shader Model
6.4
6.7
Vulkan
1.1.126
1.3
GameStream
+
-
GameWorks
+
-
GeForce ShadowPlay
+
-
GPU Boost
2.0
-