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GPU Comparison
NVIDIA GeForce GTX 980 Mobile vs NVIDIA GeForce GT 420M
NVIDIA GeForce GTX 980 Mobile vs NVIDIA GeForce GT 420M
VS
NVIDIA GeForce GTX 980 Mobile
NVIDIA GeForce GT 420M
We compared two Mobile platform GPUs: 8GB VRAM GeForce GTX 980 Mobile 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 GTX 980 Mobile 's Advantages
Released 5 years late
Boost Clock1140MHz
Larger VRAM bandwidth (224.4GB/s vs 25.60GB/s)
1952 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GTX 980 Mobile
+2331%
4.669 TFLOPS
GeForce GT 420M
0.192 TFLOPS
GeForce GTX 980 Mobile
VS
GeForce GT 420M
Graphics Card
Sep 2015
Release Date
Sep 2010
GeForce 900M
Generation
GeForce 400M
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 2.0 x16
Clock Speeds
1064 MHz
Base Clock
-
1140 MHz
Boost Clock
-
1753 MHz
Memory Clock
800 MHz
Memory
8GB
Memory Size
512MB
GDDR5
Memory Type
DDR3
256bit
Memory Bus
128bit
224.4GB/s
Bandwidth
25.60GB/s
Render Config
-
SM Count
2
-
Compute Units
-
2048
Shading Units
96
128
TMUs
16
64
ROPs
4
-
Tensor Cores
-
-
RT Cores
-
48 KB (per SMM)
L1 Cache
64 KB (per SM)
2 MB
L2 Cache
256 KB
Theoretical Performance
72.96 GPixel/s
Pixel Rate
2.000 GPixel/s
145.9 GTexel/s
Texture Rate
8.000 GTexel/s
-
FP16 (half)
-
4.669 TFLOPS
FP32 (float)
192.0 GFLOPS
145.9 GFLOPS
FP64 (double)
16.00 GFLOPS
Graphics Processor
GM204
GPU Name
GF108
N16E-GXX-A1
GPU Variant
N11P-GE-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
Board Design
Unknown
TDP
23W
-
Suggested PSU
-
Portable Device Dependent
Outputs
No outputs
None
Power Connectors
-
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
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