Home GPU Comparison NVIDIA GeForce GT 620M vs AMD Radeon 625 Mobile

NVIDIA GeForce GT 620M vs AMD Radeon 625 Mobile

We compared two Mobile platform GPUs: 1024MB VRAM GeForce GT 620M and 2GB VRAM Radeon 625 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 620M 's Advantages
Larger VRAM bandwidth (28.80GB/s vs 14.40GB/s)
Lower TDP (15W vs 50W)
AMD Radeon 625 Mobile 's Advantages
Released 6 years and 9 months late
Boost Clock1024MHz
More VRAM (2GB vs 1GB)
288 additional rendering cores

Score

Benchmark

FP32 (float)
GeForce GT 620M
0.253 TFLOPS
Radeon 625 Mobile +210%
0.786 TFLOPS
VS

Graphics Card

Aug 2012
Release Date
May 2019
GeForce 600M
Generation
Mobility Radeon
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x8

Clock Speeds

-
Base Clock
730 MHz
-
Boost Clock
1024 MHz
900 MHz
Memory Clock
900 MHz

Memory

1024MB
Memory Size
2GB
DDR3
Memory Type
DDR3
128bit
Memory Bus
64bit
28.80GB/s
Bandwidth
14.40GB/s

Render Config

2
SM Count
-
-
Compute Units
6
96
Shading Units
384
16
TMUs
24
4
ROPs
8
-
Tensor Cores
-
-
RT Cores
-
64 KB (per SM)
L1 Cache
16 KB (per CU)
256 KB
L2 Cache
128 KB

Theoretical Performance

2.640 GPixel/s
Pixel Rate
8.192 GPixel/s
10.56 GTexel/s
Texture Rate
24.58 GTexel/s
-
FP16 (half)
786.4 GFLOPS
253.4 GFLOPS
FP32 (float)
786.4 GFLOPS
21.12 GFLOPS
FP64 (double)
49.15 GFLOPS

Graphics Processor

GF108
GPU Name
Polaris 24
N13P-GLP-A1
GPU Variant
Polaris 24 XT (216-0867030)
Fermi
Architecture
GCN 3.0
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
0.585 billion
Transistors
1.55 billion
116 mm²
Die Size
125 mm²

Board Design

15W
TDP
50W
-
Suggested PSU
-
No outputs
Outputs
No outputs
-
Power Connectors
None

Graphics Features

12 (11_0)
DirectX
12 (12_0)
4.6
OpenGL
4.6
1.1
OpenCL
2.0
N/A
Vulkan
1.2
2.1
CUDA
-
5.1
Shader Model
6.3

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