NVIDIA GeForce GT 820M vs NVIDIA GeForce MX450 30.5W 8Gbps
We compared two Mobile platform GPUs: 1024MB VRAM GeForce GT 820M and 2GB VRAM GeForce MX450 30.5W 8Gbps to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GT 820M 's Advantages
Lower TDP (15W vs 31W)
NVIDIA GeForce MX450 30.5W 8Gbps 's Advantages
Released 6 years and 9 months late
Boost Clock1275MHz
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (64.00GB/s vs 14.40GB/s)
800 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GT 820M
0.298 TFLOPS
GeForce MX450 30.5W 8Gbps
+666%
2.285 TFLOPS
Graphics Card
Nov 2013
Release Date
Aug 2020
GeForce 800M
Generation
GeForce MX
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
PCIe 4.0 x4
Clock Speeds
-
Base Clock
1035 MHz
-
Boost Clock
1275 MHz
900 MHz
Memory Clock
2000 MHz
Memory
1024MB
Memory Size
2GB
DDR3
Memory Type
GDDR5
64bit
Memory Bus
64bit
14.40GB/s
Bandwidth
64.00GB/s
Render Config
-
-
-
2
SM Count
14
96
Shading Units
896
16
TMUs
56
8
ROPs
32
-
-
-
-
-
-
64 KB (per SM)
L1 Cache
64 KB (per SM)
128 KB
L2 Cache
512 KB
-
-
-
Theoretical Performance
3.100 GPixel/s
Pixel Rate
40.80 GPixel/s
12.40 GTexel/s
Texture Rate
71.40 GTexel/s
-
FP16 (half)
4.570 TFLOPS
297.6 GFLOPS
FP32 (float)
2.285 TFLOPS
24.80 GFLOPS
FP64 (double)
71.40 GFLOPS
Board Design
15W
TDP
31W
-
-
-
No outputs
Outputs
No outputs
-
Power Connectors
None
Graphics Processor
GF117
GPU Name
TU117
N15V-GM
GPU Variant
-
Fermi 2.0
Architecture
Turing
TSMC
Foundry
TSMC
28 nm
Process Size
12 nm
0.585 billion
Transistors
4.7 billion
116 mm²
Die Size
200 mm²
Graphics Features
12 (11_0)
DirectX
12 (12_1)
4.6
OpenGL
4.6
1.1
OpenCL
3.0
N/A
Vulkan
1.3
2.1
CUDA
7.5
5.1
Shader Model
6.6
