GeForce 6800 XT and Radeon RX 6900 XT - video card comparison
Passmark - benchmark score GeForce 6800 XT vs Radeon RX 6900 XT
GeForce 6800 XT
127
Radeon RX 6900 XT
27641
GeForce 6800 XT
Radeon RX 6900 XT
Architecture
Curie (2003−2013)
Navi / RDNA2 (2020−2022)
GPU code name
NV42
Navi 21
Market segment
Desktop
Desktop
Release date
September 2005
December 2020
Interface
AGP 8x
PCIe 4.0 x16
Supplementary power connectors
1x Molex
2x 8-pin
Boost clock speed
-
2250 MHz
Core clock speed
450 MHz
1825 MHz
Manufacturing process technology
110 nm
7 nm
Number of transistors
202 million
26,800 million
Pipelines / CUDA cores
-
5120
Power consumption (TDP)
-
300 Watt
Texture fill rate
5.400
720.0
Memory type
GDDR3
GDDR6
Maximum RAM amount
256 MB
16 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
1200 MBps
16000 MHz
Memory bandwidth
38.4 GB/s
512.0 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x VGA, 1x S-Video
1x HDMI, 2x DisplayPort, 1x USB Type-C
HDMI
-
+
DirectX
9.0c (9_3)
12 Ultimate (12_2)
OpenCL
N/A
2.1
OpenGL
2.0 (full)
Shader Model
3.06.5
Vulkan
N/A
1.2