
Radeon R7 265 and Radeon 620 - video card comparison
Radeon R7 265
Radeon 620
Architecture
GCN 1.0 (2012−2020)
GCN 1.0 (2012−2020)
GPU code name
Pitcairn
Polaris 24
Market segment
Desktop
Laptop
Release date
February 2014
August 2019
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x16
PCIe 3.0 x8
Supplementary power connectors
1 x 6-pin
None
Boost clock speed
925 MHz
1024 MHz
Floating-point performance
1,894 gflops
-
Manufacturing process technology
28 nm
28 nm
Number of transistors
2,800 million
1,550 million
Pipelines / CUDA cores
1024
384
Power consumption (TDP)
150 Watt
50 Watt
Texture fill rate
59.20
24.58
Memory type
GDDR5
DDR3, GDDR5
Maximum RAM amount
4 GB
4 GB
Memory bus width
256 Bit
64 Bit
Memory clock speed
1400 MHz
2250 MHz
Memory bandwidth
179.2 GB/s
14.4 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
No outputs
Eyefinity
1
-
HDMI
+
-
DisplayPort support
-
-
DirectX
DirectX® 12
12 (12_0)
Mantle
-
-
OpenCL
1.2
2.0
OpenGL
4.6
4.6
Shader Model
5.1
6.3
Vulkan
-
1.2.131
AppAcceleration
-
-
CrossFire
1
-
DDMA audio
+
-
Enduro
-
-
FreeSync
1
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-