Radeon HD 7850 and Radeon RX 550 - video card comparison
Passmark - benchmark score Radeon HD 7850 vs Radeon RX 550
Radeon HD 7850
3976
Radeon RX 550
2809
Radeon HD 7850
Radeon RX 550
Architecture
GCN 1.0 (2012−2020)
GCN 4.0 (2016−2020)
GPU code name
Pitcairn
Lexa
Market segment
Desktop
Desktop
Release date
March 2012
April 2017
Bus support
PCIe 2.1 x16
-
Interface
PCIe 3.0 x16
PCIe 3.0 x8
Supplementary power connectors
1x 6-pin
None
Boost clock speed
1000 MHz
1183 MHz
Core clock speed
-
1100 MHz
Floating-point performance
1,761 gflops
1,211 gflops
Manufacturing process technology
28 nm
14 nm
Number of transistors
2,800 million
2,200 million
Pipelines / CUDA cores
1024
512
Power consumption (TDP)
130 Watt
50 Watt
Texture fill rate
55.04
37.86
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
4 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
1200 MHz
7000 MHz
Memory bandwidth
153.6 GB/s
112.0 GB/s
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
1x DVI, 1x HDMI, 1x DisplayPort
Eyefinity
1
-
HDMI
+
+
DisplayPort support
-
-
DirectX
12
12 (12_0)
Mantle
-
-
OpenCL
1.2
2.0
OpenGL
4.6
4.6
Shader Model
5.1
6.4
Vulkan
+
1.2.131
AppAcceleration
-
-
CrossFire
1
-
Enduro
-
-
FreeSync
1
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-