Radeon HD 7770 and Radeon 520 - video card comparison
Passmark - benchmark score Radeon HD 7770 vs Radeon 520
Radeon HD 7770
2235
Radeon 520
811
Radeon HD 7770
Radeon 520
Architecture
GCN (2011−2017)
GCN 1.0 (2012−2020)
GPU code name
Cape Verde
Oland
Market segment
Desktop
Laptop
Release date
February 2012
March 2017
Interface
PCIe 3.0 x16
PCIe 3.0 x8
Supplementary power connectors
1x 6-pin
None
Core clock speed
1000 MHz
1030 MHz
Floating-point performance
-
659.2 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
1,500 million
1,040 million
Pipelines / CUDA cores
640
320
Power consumption (TDP)
80 Watt
50 Watt
Texture fill rate
40.00
20.60
Memory type
GDDR5
DDR3, GDDR5
Maximum RAM amount
2 GB
2 GB
Memory bus width
128 Bit
64 Bit
Memory clock speed
4500 MHz
2250 MHz
Memory bandwidth
72 GB/s
16 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
1x DVI, 1x HDMI, 1x VGA
Eyefinity
+
-
HDMI
+
+
DirectX
12 (11_1)
12.0
OpenCL
1.2
1.2
OpenGL
4.6
4.6
Shader Model
5.1
5.0
Vulkan
1.2.131
+