Radeon HD 3870 AGP and Radeon RX 7800 XT - video card comparison
Radeon HD 3870 AGP
Radeon RX 7800 XT
Architecture
TeraScale (2005−2013)
RDNA 3
GPU code name
RV670
Navi 32
Market segment
Desktop
Desktop
Release date
-
August 2023
Interface
AGP 8x
PCIe 4.0 x16
Supplementary power connectors
1x 8-pin
2x 8-pin
Boost clock speed
-
2430 MHz
Core clock speed
777 MHz
-
Manufacturing process technology
55 nm
5 nm
Number of transistors
666 million
28,100 million
Pipelines / CUDA cores
320
3840
Power consumption (TDP)
106 Watt
263 Watt
Texture fill rate
12.43
604.8
Memory type
GDDR4
GDDR6
Maximum RAM amount
512 MB
16 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
2.3 GB/s
19500 MHz
Memory bandwidth
72.06 GB/s
576.0 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x S-Video
1x HDMI 2.1a, 3x DisplayPort 2.1
HDMI
-
+
DirectX
10.1 (10_1)
12 Ultimate (12_2)
OpenCL
N/A
2.2
OpenGL
3.3 (full)
Shader Model
4.16.7
Vulkan
N/A
1.3