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GPU Comparison
NVIDIA GeForce RTX 3080 Max Q vs NVIDIA GeForce GT 420M
NVIDIA GeForce RTX 3080 Max Q vs NVIDIA GeForce GT 420M
VS
NVIDIA GeForce RTX 3080 Max Q
NVIDIA GeForce GT 420M
We compared two Mobile platform GPUs: 8GB VRAM GeForce RTX 3080 Max Q 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 RTX 3080 Max Q 's Advantages
Released 10 years and 4 months late
Boost Clock1245MHz
Larger VRAM bandwidth (384.0GB/s vs 25.60GB/s)
6048 additional rendering cores
NVIDIA GeForce GT 420M 's Advantages
Lower TDP (23W vs 80W)
Score
Benchmark
FP32 (float)
GeForce RTX 3080 Max Q
+7868%
15.3 TFLOPS
GeForce GT 420M
0.192 TFLOPS
GeForce RTX 3080 Max Q
VS
GeForce GT 420M
Graphics Card
Jan 2021
Release Date
Sep 2010
GeForce 30 Mobile
Generation
GeForce 400M
Mobile
Type
Mobile
PCIe 4.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
780 MHz
Base Clock
-
1245 MHz
Boost Clock
-
1500 MHz
Memory Clock
800 MHz
Memory
8GB
Memory Size
512MB
GDDR6
Memory Type
DDR3
256bit
Memory Bus
128bit
384.0GB/s
Bandwidth
25.60GB/s
Render Config
48
SM Count
2
-
Compute Units
-
6144
Shading Units
96
192
TMUs
16
96
ROPs
4
192
Tensor Cores
-
48
RT Cores
-
128 KB (per SM)
L1 Cache
64 KB (per SM)
4 MB
L2 Cache
256 KB
Theoretical Performance
119.5 GPixel/s
Pixel Rate
2.000 GPixel/s
239.0 GTexel/s
Texture Rate
8.000 GTexel/s
15.30 TFLOPS
FP16 (half)
-
15.30 TFLOPS
FP32 (float)
192.0 GFLOPS
239.0 GFLOPS
FP64 (double)
16.00 GFLOPS
Graphics Processor
GA104
GPU Name
GF108
GA104-775-A1
GPU Variant
N11P-GE-A1
Ampere
Architecture
Fermi
Samsung
Foundry
TSMC
8 nm
Process Size
40 nm
17.4 billion
Transistors
0.585 billion
392 mm²
Die Size
116 mm²
Board Design
80W
TDP
23W
-
Suggested PSU
-
No outputs
Outputs
No outputs
None
Power Connectors
-
Graphics Features
12 Ultimate (12_2)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
1.1
1.3
Vulkan
N/A
8.6
CUDA
2.1
6.6
Shader Model
5.1
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10
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