NVIDIA GeForce 920M vs NVIDIA GeForce GT 420M
We compared two Mobile platform GPUs: 2GB VRAM GeForce 920M and 512MB VRAM GeForce GT 420M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce 920M 's Advantages
Released 4 years and 6 months late
More VRAM (2GB vs 512GB)
288 additional rendering cores
NVIDIA GeForce GT 420M 's Advantages
Larger VRAM bandwidth (25.60GB/s vs 14.40GB/s)
Lower TDP (23W vs 33W)
Score
Benchmark
FP32 (float)
GeForce 920M
+281%
0.733 TFLOPS
GeForce GT 420M
0.192 TFLOPS
3DMark Time Spy
GeForce 920M
+213%
326
GeForce GT 420M
104
Graphics Card
Mar 2015
Release Date
Sep 2010
GeForce 900M
Generation
GeForce 400M
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
-
-
-
-
-
900 MHz
Memory Clock
800 MHz
Memory
2GB
Memory Size
512MB
DDR3
Memory Type
DDR3
64bit
Memory Bus
128bit
14.40GB/s
Bandwidth
25.60GB/s
Render Config
-
-
-
-
SM Count
2
384
Shading Units
96
32
TMUs
16
8
ROPs
4
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
64 KB (per SM)
512 KB
L2 Cache
256 KB
-
-
-
Theoretical Performance
7.632 GPixel/s
Pixel Rate
2.000 GPixel/s
30.53 GTexel/s
Texture Rate
8.000 GTexel/s
-
-
-
732.7 GFLOPS
FP32 (float)
192.0 GFLOPS
30.53 GFLOPS
FP64 (double)
16.00 GFLOPS
Board Design
33W
TDP
23W
-
-
-
No outputs
Outputs
No outputs
-
-
-
Graphics Processor
GK208B
GPU Name
GF108
N16V-GM
GPU Variant
N11P-GE-A1
Kepler 2.0
Architecture
Fermi
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
1.02 billion
Transistors
0.585 billion
87 mm²
Die Size
116 mm²
Graphics Features
12 (11_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
1.1
1.1
Vulkan
N/A
3.5
CUDA
2.1
5.1
Shader Model
5.1
