Radeon HD 7870 and Radeon R7 M265 - video card comparison
Passmark - benchmark score Radeon HD 7870 vs Radeon R7 M265
Radeon HD 7870
4779
Radeon R7 M265
561
Radeon HD 7870
Radeon R7 M265
Architecture
GCN (2011−2017)
GCN (2011−2017)
GPU code name
Pitcairn XT
Opal XT / Mars
Market segment
Desktop
Laptop
Release date
March 2012
January 2014
Bus support
-
PCIe 3.0 x8
Interface
PCIe 3.0 x16
PCIe 3.0 x8
Supplementary power connectors
2x 6-pin
-
Boost clock speed
-
825 MHz
Compute units
-
6
Core clock speed
1000 MHz
825 MHz
Floating-point performance
-
633.6 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
2800 Million
1,550 million
Pipelines / CUDA cores
1280
384
Power consumption (TDP)
175 Watt
-
Texture fill rate
80.00
23.52
Memory type
GDDR5
DDR3
Maximum RAM amount
2 GB
4 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
4800 MHz
1000 MHz
Memory bandwidth
153.6 GB/s
32 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
No outputs
Eyefinity
+
-
HDMI
+
-
DirectX
12 (11_1)
DirectX® 11
Mantle
-
+
OpenCL
1.2
Not Listed
OpenGL
4.6
4.4
Shader Model
5.1
6.3
Vulkan
1.2.131
-
AppAcceleration
-
-
DualGraphics
-
1
Enduro
-
-
FreeSync
-
1
HD3D
-
+
PowerTune
-
+
Switchable graphics
-
1
TrueAudio
-
-
ZeroCore
-
+