Radeon HD 7750 and Radeon RX 550X 640SP - video card comparison
Radeon HD 7750
Radeon RX 550X 640SP
Architecture
GCN 1.0 (2012−2020)
GCN 4.0 (2016−2020)
GPU code name
Cape Verde
Baffin
Market segment
Desktop
Desktop
Release date
February 2012
April 2018
Bus support
PCIe 2.1 x16
-
Interface
PCIe 3.0 x16
PCIe 3.0 x8
Supplementary power connectors
None
None
Boost clock speed
800 MHz
1071 MHz
Core clock speed
-
1019 MHz
Floating-point performance
819.2 gflops
1,371 gflops
Manufacturing process technology
28 nm
14 nm
Number of transistors
1,500 million
3,000 million
Pipelines / CUDA cores
512
640
Power consumption (TDP)
75 Watt
60 Watt
Texture fill rate
25.60
42.84
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
2 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
1125 MHz
6000 MHz
Memory bandwidth
72 GB/s
96 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
1x DVI, 1x HDMI, 1x DisplayPort
Eyefinity
1
-
HDMI
+
+
DisplayPort support
+
-
DirectX
DirectX® 11
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
-
-