
Radeon HD 2900 XTX and GeForce RTX 5080 - video card comparison
Radeon HD 2900 XTX
GeForce RTX 5080
Architecture
TeraScale (2005−2013)
Blackwell 2.0
GPU code name
R600
GB203
Market segment
Desktop
Desktop
Release date
-
2025 (recently)
Interface
PCIe 1.0 x16
PCIe 5.0 x16
Supplementary power connectors
2x 6-pin
1x 16-pin
Boost clock speed
-
2520 MHz
Core clock speed
743 MHz
-
Manufacturing process technology
80 nm
0 nm
Number of transistors
720 million
-
Pipelines / CUDA cores
320
10752
Power consumption (TDP)
240 Watt
350 Watt
Texture fill rate
11.89
846.7
Memory type
GDDR3
GDDR7
Maximum RAM amount
512 MB
16 GB
Memory bus width
512 Bit
256 Bit
Memory clock speed
1656 MBps
5 GB/s
Memory bandwidth
106.0 GB/s
160.0 GB/s
Display Connectors
2x DVI, 1x S-Video
1x HDMI 2.1, 3x DisplayPort 1.4a
HDMI
-
+
DirectX
10.0 (10_0)
12 Ultimate (12_2)
CUDA
-
9.1
OpenCL
N/A
3.0
OpenGL
3.3 (full)
Shader Model
4.06.7
Vulkan
N/A
1.3