GeForce GTX 555 OEM and Radeon RX 6900 XT - video card comparison
GeForce GTX 555 OEM
Radeon RX 6900 XT
Architecture
Fermi 2.0 (2010−2014)
Navi / RDNA2 (2020−2022)
GPU code name
GF114
Navi 21
Market segment
Desktop
Desktop
Release date
May 2011
December 2020
Interface
PCIe 2.0 x16
PCIe 4.0 x16
Supplementary power connectors
2x 6-pin
2x 8-pin
Boost clock speed
-
2250 MHz
Core clock speed
736 MHz
1825 MHz
Floating-point performance
847.9 gflops
-
Manufacturing process technology
40 nm
7 nm
Number of transistors
1,950 million
26,800 million
Pipelines / CUDA cores
288
5120
Power consumption (TDP)
150 Watt
300 Watt
Texture fill rate
35.33
720.0
Memory type
GDDR5
GDDR6
Maximum RAM amount
1 GB
16 GB
Memory bus width
192 Bit
256 Bit
Memory clock speed
3828 MHz
16000 MHz
Memory bandwidth
91.87 GB/s
512.0 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x mini-HDMI
1x HDMI, 2x DisplayPort, 1x USB Type-C
HDMI
+
+
DirectX
12 (11_0)
12 Ultimate (12_2)
CUDA
2.1
-
OpenCL
1.1
2.1
OpenGL
4.6
4.6
Shader Model
5.1
6.5
Vulkan
N/A
1.2