Radeon HD 7870 and Radeon R6 (Kaveri) - video card comparison
Passmark - benchmark score Radeon HD 7870 vs Radeon R6 (Kaveri)
Radeon HD 7870
4779
Radeon R6 (Kaveri)
712
Radeon HD 7870
Radeon R6 (Kaveri)
Architecture
GCN (2011−2017)
GCN 1.1 (2014)
GPU code name
Pitcairn XT
Kaveri
Market segment
Desktop
Laptop
Release date
March 2012
June 2014
Interface
PCIe 3.0 x16
-
Supplementary power connectors
2x 6-pin
-
Boost clock speed
-
654 MHz
Core clock speed
1000 MHz
533 MHz
Manufacturing process technology
28 nm
28 nm
Number of transistors
2800 Million
2410 Million
Pipelines / CUDA cores
1280
384
Power consumption (TDP)
175 Watt
-
Texture fill rate
80.00
-
Memory type
GDDR5
-
Maximum RAM amount
2 GB
-
Memory bus width
256 Bit
64/128 Bit
Memory clock speed
4800 MHz
-
Memory bandwidth
153.6 GB/s
-
Shared memory
-
+
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
-
Eyefinity
+
-
HDMI
+
-
DirectX
12 (11_1)
12 (FL 12_0)
OpenCL
1.2
-
OpenGL
4.6
-
Shader Model
5.1
-
Vulkan
1.2.131
-