Radeon RX 7900 XT and Radeon RX 6850 XT - video card comparison
Radeon RX 7900 XT
Radeon RX 6850 XT
Architecture
RDNA 3
RDNA 2.0 (2020−2022)
GPU code name
Navi 31 XT
Navi 21
Market segment
Desktop
Desktop
Release date
November 2022
2022
Interface
PCIe 4.0 x16
PCIe 4.0 x16
Supplementary power connectors
2x 8-pin
2x 8-pin
Boost clock speed
2000 MHz
2250 MHz
Manufacturing process technology
5 nm
7 nm
Number of transistors
57,700 million
26,800 million
Pipelines / CUDA cores
5376
4608
Power consumption (TDP)
315 Watt
325 Watt
Texture fill rate
804.4
648.0
Memory type
GDDR6
GDDR6
Maximum RAM amount
20 GB
16 GB
Memory bus width
320 Bit
256 Bit
Memory clock speed
20000 MHz
18 GB/s
Memory bandwidth
800.0 GB/s
576.0 GB/s
Shared memory
-
-
Display Connectors
1x HDMI 2.1a, 2x DisplayPort 2.1, 1x USB Type-C
1x HDMI, 2x DisplayPort, 1x USB Type-C
HDMI
+
+
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenCL
2.1
2.1
OpenGL
4.6
4.6
Shader Model
6.7
6.5
Vulkan
1.3
1.3