Radeon HD 7870 and Radeon HD 8670D - video card comparison
Passmark - benchmark score Radeon HD 7870 vs Radeon HD 8670D
Radeon HD 7870
4779
Radeon HD 8670D
545
Radeon HD 7870
Radeon HD 8670D
Architecture
GCN (2011−2017)
Terascale 3 (2010−2013)
GPU code name
Pitcairn XT
Richland
Market segment
Desktop
Desktop
Release date
March 2012
June 2013
Interface
PCIe 3.0 x16
IGP
Supplementary power connectors
2x 6-pin
-
Boost clock speed
-
950 MHz
Core clock speed
1000 MHz
844 MHz
Manufacturing process technology
28 nm
32 nm
Number of transistors
2800 Million
1,303 million
Pipelines / CUDA cores
1280
384
Power consumption (TDP)
175 Watt
100 Watt
Texture fill rate
80.00
22.80
Memory type
GDDR5
System Shared
Maximum RAM amount
2 GB
System Shared
Memory bus width
256 Bit
System Shared
Memory clock speed
4800 MHz
System Shared
Memory bandwidth
153.6 GB/s
-
Shared memory
-
+
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
No outputs
Eyefinity
+
-
HDMI
+
-
DirectX
12 (11_1)
11.2 (11_0)
OpenCL
1.2
1.2
OpenGL
4.6
4.4
Shader Model
5.1
5.0
Vulkan
1.2.131
N/A