Radeon HD 8870 OEM and M3 - video card comparison
Radeon HD 8870 OEM
M3
Architecture
GCN 1.0 (2012−2020)
Rage 4 (1998−1999)
GPU code name
Pitcairn
M3
Market segment
Desktop
Desktop
Release date
January 2013
-
Interface
PCIe 3.0 x16
-
Supplementary power connectors
2x 6-pin
-
Core clock speed
1000 MHz
-
Floating-point performance
2,560 gflops
-
Manufacturing process technology
28 nm
250 nm
Number of transistors
2,800 million
8 million
Pipelines / CUDA cores
1280
-
Power consumption (TDP)
175 Watt
-
Texture fill rate
80.00
-
Memory type
GDDR5
-
Maximum RAM amount
2 GB
-
Memory bus width
256 Bit
-
Memory clock speed
4800 MHz
-
Memory bandwidth
153.6 GB/s
-
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
-
HDMI
+
-
DirectX
12 (11_1)
6.0
OpenCL
1.2
N/A
OpenGL
4.6
1.2
Shader Model
5.1
-
Vulkan
1.2.131
N/A