
Radeon HD 3870 AGP and GeForce RTX 5080 - video card comparison
Radeon HD 3870 AGP
GeForce RTX 5080
Architecture
TeraScale (2005−2013)
Blackwell 2.0
GPU code name
RV670
GB203
Market segment
Desktop
Desktop
Release date
-
2025 (recently)
Interface
AGP 8x
PCIe 5.0 x16
Supplementary power connectors
1x 8-pin
1x 16-pin
Boost clock speed
-
2520 MHz
Core clock speed
777 MHz
-
Manufacturing process technology
55 nm
0 nm
Number of transistors
666 million
-
Pipelines / CUDA cores
320
10752
Power consumption (TDP)
106 Watt
350 Watt
Texture fill rate
12.43
846.7
Memory type
GDDR4
GDDR7
Maximum RAM amount
512 MB
16 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
2.3 GB/s
5 GB/s
Memory bandwidth
72.06 GB/s
160.0 GB/s
Display Connectors
2x DVI, 1x S-Video
1x HDMI 2.1, 3x DisplayPort 1.4a
HDMI
-
+
DirectX
10.1 (10_1)
12 Ultimate (12_2)
CUDA
-
9.1
OpenCL
N/A
3.0
OpenGL
3.3 (full)
Shader Model
4.16.7
Vulkan
N/A
1.3