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GPU Comparison
AMD Radeon Pro Vega 20 vs NVIDIA GeForce GT 420M
AMD Radeon Pro Vega 20 vs NVIDIA GeForce GT 420M
VS
AMD Radeon Pro Vega 20
NVIDIA GeForce GT 420M
We compared two Mobile platform GPUs: 4GB VRAM Radeon Pro Vega 20 and 512MB VRAM GeForce GT 420M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon Pro Vega 20 's Advantages
Released 8 years and 2 months late
Boost Clock1283MHz
Larger VRAM bandwidth (189.4GB/s vs 25.60GB/s)
1184 additional rendering cores
NVIDIA GeForce GT 420M 's Advantages
Lower TDP (23W vs 100W)
Score
Benchmark
FP32 (float)
Radeon Pro Vega 20
+1610%
3.284 TFLOPS
GeForce GT 420M
0.192 TFLOPS
Radeon Pro Vega 20
VS
GeForce GT 420M
Graphics Card
Nov 2018
Release Date
Sep 2010
Radeon Pro Mac
Generation
GeForce 400M
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
815 MHz
Base Clock
-
1283 MHz
Boost Clock
-
740 MHz
Memory Clock
800 MHz
Memory
4GB
Memory Size
512MB
HBM2
Memory Type
DDR3
1024bit
Memory Bus
128bit
189.4GB/s
Bandwidth
25.60GB/s
Render Config
-
SM Count
2
20
Compute Units
-
1280
Shading Units
96
80
TMUs
16
32
ROPs
4
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
64 KB (per SM)
1024 KB
L2 Cache
256 KB
Theoretical Performance
41.06 GPixel/s
Pixel Rate
2.000 GPixel/s
102.6 GTexel/s
Texture Rate
8.000 GTexel/s
6.569 TFLOPS
FP16 (half)
-
3.284 TFLOPS
FP32 (float)
192.0 GFLOPS
205.3 GFLOPS
FP64 (double)
16.00 GFLOPS
Graphics Processor
Vega 12
GPU Name
GF108
Vega 12 XTA
GPU Variant
N11P-GE-A1
GCN 5.0
Architecture
Fermi
GlobalFoundries
Foundry
TSMC
14 nm
Process Size
40 nm
Unknown
Transistors
0.585 billion
Unknown
Die Size
116 mm²
Board Design
100W
TDP
23W
-
Suggested PSU
-
No outputs
Outputs
No outputs
-
Power Connectors
-
Graphics Features
12 (12_1)
DirectX
12 (11_0)
4.6
OpenGL
4.6
2.1
OpenCL
1.1
1.2
Vulkan
N/A
-
CUDA
2.1
6.3
Shader Model
5.1
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