Home GPU Comparison AMD Radeon R7 A265 vs AMD Radeon 620 Mobile

AMD Radeon R7 A265 vs AMD Radeon 620 Mobile

We compared two Mobile platform GPUs: 2GB VRAM Radeon R7 A265 and 2GB VRAM Radeon 620 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 A265 's Advantages
Larger VRAM bandwidth (28.80GB/s vs 14.40GB/s)
AMD Radeon 620 Mobile 's Advantages
Released 5 years and 4 months late
Boost Clock has increased by 24% (1024MHz vs 825MHz)

Score

Benchmark

FP32 (float)
Radeon R7 A265
0.633 TFLOPS
Radeon 620 Mobile +24%
0.786 TFLOPS
VS

Graphics Card

Jan 2014
Release Date
May 2019
All-In-One
Generation
Mobility Radeon
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
PCIe 3.0 x8

Clock Speeds

725 MHz
Base Clock
730 MHz
825 MHz
Boost Clock
1024 MHz
900 MHz
Memory Clock
900 MHz

Memory

2GB
Memory Size
2GB
DDR3
Memory Type
DDR3
128bit
Memory Bus
64bit
28.80GB/s
Bandwidth
14.40GB/s

Render Config

6
Compute Units
6
-
-
-
384
Shading Units
384
24
TMUs
24
8
ROPs
8
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
256 KB
L2 Cache
128 KB
-
-
-

Theoretical Performance

6.600 GPixel/s
Pixel Rate
8.192 GPixel/s
19.80 GTexel/s
Texture Rate
24.58 GTexel/s
-
FP16 (half)
786.4 GFLOPS
633.6 GFLOPS
FP32 (float)
786.4 GFLOPS
39.60 GFLOPS
FP64 (double)
49.15 GFLOPS

Board Design

Unknown
TDP
50W
-
-
-
Portable Device Dependent
Outputs
No outputs
-
Power Connectors
None

Graphics Processor

Opal
GPU Name
Polaris 24
Opal XT
GPU Variant
Polaris 24 XL
GCN 1.0
Architecture
GCN 3.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
0.95 billion
Transistors
1.55 billion
77 mm²
Die Size
125 mm²

Graphics Features

12 (11_1)
DirectX
12 (12_0)
4.6
OpenGL
4.6
2.1 (1.2)
OpenCL
2.0
1.2.170
Vulkan
1.2
-
-
-
6.5 (5.1)
Shader Model
6.3

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