
Extreme Graphics 2 and Radeon HD 3870 AGP - video card comparison
Extreme Graphics 2
Radeon HD 3870 AGP
Architecture
Gen. 2 (2003)
TeraScale (2005−2013)
GPU code name
Montara
RV670
Market segment
Laptop
Desktop
Release date
December 2003
-
Interface
PCIe 1.0 x16
AGP 8x
Supplementary power connectors
-
1x 8-pin
Boost clock speed
133 MHz
-
Core clock speed
-
777 MHz
Manufacturing process technology
150 nm
55 nm
Number of transistors
-
666 million
Pipelines / CUDA cores
-
320
Power consumption (TDP)
-
106 Watt
Texture fill rate
0.27
12.43
Memory type
System Shared
GDDR4
Maximum RAM amount
System Shared
512 MB
Memory bus width
System Shared
256 Bit
Memory clock speed
System Shared
2.3 GB/s
Memory bandwidth
-
72.06 GB/s
Shared memory
-
-
Display Connectors
No outputs
2x DVI, 1x S-Video
DirectX
7.0
10.1 (10_1)
OpenCL
N/A
N/A
OpenGL
1.3
3.3 (full)
Shader Model-4.1
Vulkan
N/A
N/A