Radeon HD 7850 and Radeon R7 265 - video card comparison
Radeon HD 7850
Radeon R7 265
Architecture
GCN 1.0 (2012−2020)
GCN 1.0 (2012−2020)
GPU code name
Pitcairn
Pitcairn
Market segment
Desktop
Desktop
Release date
March 2012
February 2014
Bus support
PCIe 2.1 x16
PCIe 3.0
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
1x 6-pin
1 x 6-pin
Boost clock speed
1000 MHz
925 MHz
Floating-point performance
1,761 gflops
1,894 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
2,800 million
2,800 million
Pipelines / CUDA cores
1024
1024
Power consumption (TDP)
130 Watt
150 Watt
Texture fill rate
55.04
59.20
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
4 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
1200 MHz
1400 MHz
Memory bandwidth
153.6 GB/s
179.2 GB/s
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
2x DVI, 1x HDMI, 1x DisplayPort
Eyefinity
1
1
HDMI
+
+
DisplayPort support
-
-
DirectX
12
DirectX® 12
Mantle
-
-
OpenCL
1.2
1.2
OpenGL
4.6
4.6
Shader Model
5.1
5.1
Vulkan
+
-
AppAcceleration
-
-
CrossFire
1
1
DDMA audio
-
+
Enduro
-
-
FreeSync
1
1
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-