GeForce GTX 780 and Radeon RX 6600 XT - video card comparison
Passmark - benchmark score GeForce GTX 780 vs Radeon RX 6600 XT
GeForce GTX 780
8247
Radeon RX 6600 XT
16985
GeForce GTX 780
Radeon RX 6600 XT
Architecture
Kepler (2012−2018)
Navi / RDNA2 (2020−2022)
GPU code name
GK110
Navi 23
Market segment
Desktop
Desktop
Release date
May 2013
July 2021
Bus support
PCI Express 3.0
-
Interface
PCIe 3.0 x16
PCIe 4.0 x8
Minimum recommended system power
600 Watt
-
Supplementary power connectors
One 8-pin and one 6-pin
1x 8-pin
Boost clock speed
900 MHz
2589 MHz
Core clock speed
863 MHz
1968 MHz
CUDA cores
2304
-
Floating-point performance
4,156 gflops
-
Manufacturing process technology
28 nm
7 nm
Number of transistors
7,080 million
11,060 million
Pipelines / CUDA cores
2304
2048
Power consumption (TDP)
250 Watt
160 (TGP) Watt
Maximum GPU temperature
95 °C
-
Texture fill rate
160.5 billion/sec
331.4
Memory type
GDDR5
GDDR6
Maximum RAM amount
3 GB
8 GB
Memory bus width
384 Bit
128 Bit
Memory clock speed
6008 MHz
16000 MHz
Memory bandwidth
288.4 GB/s
256.0 GB/s
Shared memory
-
-
Display Connectors
One Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPort
1x HDMI, 2x DisplayPort
Multi monitor support
4 displays
-
HDMI
+
+
HDCP
+
-
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
Internal
-
DirectX
12 (11_0)
12.0 Ultimate (12_2)
CUDA
+
-
OpenCL
1.2
2.1
OpenGL
4.3
4.6
Shader Model
5.1
6.5
Vulkan
1.1.126
1.2
3D Gaming
+
-
3D Vision
+
-
3D Vision Live
+
-
Blu Ray 3D
+
-
PhysX
+
-