GeForce 8800 Ultra and Radeon RX 6800 XT - video card comparison
Passmark - benchmark score GeForce 8800 Ultra vs Radeon RX 6800 XT
GeForce 8800 Ultra
661
Radeon RX 6800 XT
25788
GeForce 8800 Ultra
Radeon RX 6800 XT
Architecture
Tesla (2006−2010)
Navi / RDNA2 (2020−2022)
GPU code name
G80
Navi 21
Market segment
Desktop
Desktop
Release date
May 2007
November 2020
Interface
PCIe 1.0 x16
PCIe 4.0 x16
Supplementary power connectors
2x 6-pin
2x 8-pin
SLI options
+
-
Boost clock speed
-
2250 MHz
Core clock speed
612 MHz
1825 MHz
CUDA cores
612
-
Floating-point performance
387.1 gflops
-
Manufacturing process technology
90 nm
7 nm
Number of transistors
681 million
26,800 million
Pipelines / CUDA cores
128
4608
Power consumption (TDP)
171 Watt
300 Watt
Texture fill rate
39.2 billion/sec
648.0
Memory type
GDDR3
GDDR6
Maximum RAM amount
512 MB
16 GB
Memory bus width
384 Bit
256 Bit
Memory clock speed
1080 MHz
16000 MHz
Memory bandwidth
103.7 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
11.1 (10_0)
12 Ultimate (12_2)
CUDA
+
-
OpenCL
1.1
2.0
OpenGL
3.3
4.6
Shader Model
4.0
6.5
Vulkan
N/A
1.2