Radeon 620 Mobile vs Radeon HD 7650M Rebrand
We compared two Mobile platform GPUs: 2GB VRAM Radeon 620 Mobile and 1024MB VRAM Radeon HD 7650M Rebrand to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon 620 Mobile 's Advantages
Released 7 years and 2 months late
Boost Clock1024MHz
More VRAM (2GB vs 1024GB)
Radeon HD 7650M Rebrand 's Advantages
Larger VRAM bandwidth (25.60GB/s vs 14.40GB/s)
96 additional rendering cores
Lower TDP (20W vs 50W)
Score
Benchmark
FP32 (float)
Radeon 620 Mobile
+68%
786
Radeon HD 7650M Rebrand
466
Graphics Card
May 2019
Release Date
Mar 2012
Mobility Radeon
Generation
London
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
PCIe 2.0 x16
Clock Speeds
730 MHz
Base Clock
-
1024 MHz
Boost Clock
-
900 MHz
Memory Clock
800 MHz
Memory
2GB
Memory Size
1024MB
DDR3
Memory Type
DDR3
64bit
Memory Bus
128bit
14.40GB/s
Bandwidth
25.60GB/s
Render Config
6
Compute Units
6
384
Shading Units
480
24
TMUs
24
8
ROPs
8
16 KB (per CU)
L1 Cache
8 KB (per CU)
128 KB
L2 Cache
256 KB
Theoretical Performance
8.192 GPixel/s
Pixel Rate
3.880 GPixel/s
24.58 GTexel/s
Texture Rate
11.64 GTexel/s
786.4 GFLOPS
FP16 (half)
-
786.4 GFLOPS
FP32 (float)
465.6 GFLOPS
49.15 GFLOPS
FP64 (double)
-
Board Design
50W
TDP
20W
No outputs
Outputs
No outputs
None
Power Connectors
-
Graphics Processor
Polaris 24
GPU Name
Whistler
Polaris 24 XL
GPU Variant
Whistler PRO
(216-0810005)
GCN 3.0
Architecture
TeraScale 2
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
1.55 billion
Transistors
0.716 billion
125 mm²
Die Size
104 mm²
Graphics Features
12 (12_0)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
2.0
OpenCL
1.2
1.2
Vulkan
N/A
6.3
Shader Model
5.0
