Radeon HD 7850 and Radeon R7 250 - video card comparison
Passmark - benchmark score Radeon HD 7850 vs Radeon R7 250
Radeon HD 7850
3976
Radeon R7 250
1100
Radeon HD 7850
Radeon R7 250
Architecture
GCN 1.0 (2012−2020)
GCN (2011−2017)
GPU code name
Pitcairn
Oland XT
Market segment
Desktop
Desktop
Release date
March 2012
October 2013
Bus support
PCIe 2.1 x16
PCIe 3.0
Interface
PCIe 3.0 x16
PCIe 3.0 x8
Supplementary power connectors
1x 6-pin
N/A
Boost clock speed
1000 MHz
1050 MHz
Floating-point performance
1,761 gflops
716.8 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
2,800 million
950 million
Pipelines / CUDA cores
1024
384
Power consumption (TDP)
130 Watt
75 Watt
Texture fill rate
55.04
25.20
Memory type
GDDR5
DDR3, GDDR5
Maximum RAM amount
2 GB
2 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
1200 MHz
1150 MHz
Memory bandwidth
153.6 GB/s
72 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
1x DVI, 1x HDMI, 1x VGA
Eyefinity
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
-
-