NVIDIA GeForce GTX 980M vs NVIDIA GeForce GT 620M
We compared two Mobile platform GPUs: 8GB VRAM GeForce GTX 980M and 1024MB VRAM GeForce GT 620M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GTX 980M 's Advantages
Released 2 years and 2 months late
Boost Clock1127MHz
More VRAM (8GB vs 1024GB)
Larger VRAM bandwidth (160.4GB/s vs 28.80GB/s)
1440 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GTX 980M
+1268%
3.462 TFLOPS
GeForce GT 620M
0.253 TFLOPS
Graphics Card
Oct 2014
Release Date
Aug 2012
GeForce 900M
Generation
GeForce 600M
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 2.0 x16
Clock Speeds
1038 MHz
Base Clock
-
1127 MHz
Boost Clock
-
1253 MHz
Memory Clock
900 MHz
Memory
8GB
Memory Size
1024MB
GDDR5
Memory Type
DDR3
256bit
Memory Bus
128bit
160.4GB/s
Bandwidth
28.80GB/s
Render Config
-
-
-
-
SM Count
2
1536
Shading Units
96
96
TMUs
16
64
ROPs
4
-
-
-
-
-
-
48 KB (per SMM)
L1 Cache
64 KB (per SM)
2 MB
L2 Cache
256 KB
-
-
-
Theoretical Performance
72.13 GPixel/s
Pixel Rate
2.640 GPixel/s
108.2 GTexel/s
Texture Rate
10.56 GTexel/s
-
-
-
3.462 TFLOPS
FP32 (float)
253.4 GFLOPS
108.2 GFLOPS
FP64 (double)
21.12 GFLOPS
Board Design
Unknown
TDP
15W
-
-
-
Portable Device Dependent
Outputs
No outputs
None
Power Connectors
-
Graphics Processor
GM204
GPU Name
GF108
N16E-GX-A1
GPU Variant
N13P-GLP-A1
Maxwell 2.0
Architecture
Fermi
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
5.2 billion
Transistors
0.585 billion
398 mm²
Die Size
116 mm²
Graphics Features
12 (12_1)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
1.1
1.3
Vulkan
N/A
5.2
CUDA
2.1
6.7 (6.4)
Shader Model
5.1
