GeForce 6800 Ultra and Radeon RX 6800 XT - video card comparison
Passmark - benchmark score GeForce 6800 Ultra vs Radeon RX 6800 XT
GeForce 6800 Ultra
142
Radeon RX 6800 XT
25787
GeForce 6800 Ultra
Radeon RX 6800 XT
Architecture
Curie (2003−2013)
Navi / RDNA2 (2020−2022)
GPU code name
NV45
Navi 21
Market segment
Desktop
Desktop
Release date
July 2004
November 2020
Interface
PCIe 1.0 x16
PCIe 4.0 x16
Supplementary power connectors
1x 6-pin
2x 8-pin
Boost clock speed
-
2250 MHz
Core clock speed
425 MHz
1825 MHz
Manufacturing process technology
130 nm
7 nm
Number of transistors
222 million
26,800 million
Pipelines / CUDA cores
-
4608
Power consumption (TDP)
81 Watt
300 Watt
Texture fill rate
6.800
648.0
Memory type
GDDR3
GDDR6
Maximum RAM amount
256 MB
16 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
1100 MHz
16000 MHz
Memory bandwidth
35.2 GB/s
512.0 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x S-Video
1x HDMI, 2x DisplayPort, 1x USB Type-C
HDMI
-
+
DirectX
9.0c (9_3)
12 Ultimate (12_2)
OpenCL
N/A
2.0
OpenGL
2.1
4.6
Shader Model
3.0
6.5
Vulkan
N/A
1.2