Radeon 620 Mobile vs GeForce GT 425M
We compared two Mobile platform GPUs: 2GB VRAM Radeon 620 Mobile and 1024MB VRAM GeForce GT 425M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon 620 Mobile 's Advantages
Released 8 years and 8 months late
Boost Clock1024MHz
More VRAM (2GB vs 1024GB)
288 additional rendering cores
GeForce GT 425M 's Advantages
Larger VRAM bandwidth (25.60GB/s vs 14.40GB/s)
Lower TDP (23W vs 50W)
Score
Benchmark
FP32 (float)
Radeon 620 Mobile
+265%
786
GeForce GT 425M
215
Graphics Card
May 2019
Release Date
Sep 2010
Mobility Radeon
Generation
GeForce 400M
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
-
-
SM Count
2
384
Shading Units
96
24
TMUs
16
8
ROPs
4
16 KB (per CU)
L1 Cache
64 KB (per SM)
128 KB
L2 Cache
256 KB
Theoretical Performance
8.192 GPixel/s
Pixel Rate
2.240 GPixel/s
24.58 GTexel/s
Texture Rate
8.960 GTexel/s
786.4 GFLOPS
FP16 (half)
-
786.4 GFLOPS
FP32 (float)
215.0 GFLOPS
49.15 GFLOPS
FP64 (double)
17.92 GFLOPS
Board Design
50W
TDP
23W
No outputs
Outputs
No outputs
None
Power Connectors
-
Graphics Processor
Polaris 24
GPU Name
GF108
Polaris 24 XL
GPU Variant
N11P-GS-A1
GCN 3.0
Architecture
Fermi
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
1.55 billion
Transistors
0.585 billion
125 mm²
Die Size
116 mm²
Graphics Features
12 (12_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
2.0
OpenCL
1.1
1.2
Vulkan
N/A
-
CUDA
2.1
6.3
Shader Model
5.1