NVIDIA GeForce GT 820M vs NVIDIA GeForce MX330
We compared two Mobile platform GPUs: 1024MB VRAM GeForce GT 820M and 2GB VRAM GeForce MX330 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce MX330 's Advantages
Released 6 years and 3 months late
Boost Clock1594MHz
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (56.06GB/s vs 14.40GB/s)
288 additional rendering cores
Lower TDP (10W vs 15W)
Score
Benchmark
FP32 (float)
GeForce GT 820M
0.298 TFLOPS
GeForce MX330
+310%
1.224 TFLOPS
Graphics Card
Nov 2013
Release Date
Feb 2020
GeForce 800M
Generation
GeForce MX
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x4
Clock Speeds
-
Base Clock
1531 MHz
-
Boost Clock
1594 MHz
900 MHz
Memory Clock
1752 MHz
Memory
1024MB
Memory Size
2GB
DDR3
Memory Type
GDDR5
64bit
Memory Bus
64bit
14.40GB/s
Bandwidth
56.06GB/s
Render Config
-
-
-
2
SM Count
3
96
Shading Units
384
16
TMUs
24
8
ROPs
16
-
-
-
-
-
-
64 KB (per SM)
L1 Cache
48 KB (per SM)
128 KB
L2 Cache
512 KB
-
-
-
Theoretical Performance
3.100 GPixel/s
Pixel Rate
25.50 GPixel/s
12.40 GTexel/s
Texture Rate
38.26 GTexel/s
-
FP16 (half)
19.13 GFLOPS
297.6 GFLOPS
FP32 (float)
1224 GFLOPS
24.80 GFLOPS
FP64 (double)
38.26 GFLOPS
Board Design
15W
TDP
10W
-
-
-
No outputs
Outputs
No outputs
-
Power Connectors
None
Graphics Processor
GF117
GPU Name
GP108
N15V-GM
GPU Variant
GP108-655-A1
(N17S-G3-A1)
Fermi 2.0
Architecture
Pascal
TSMC
Foundry
Samsung
28 nm
Process Size
14 nm
0.585 billion
Transistors
1.8 billion
116 mm²
Die Size
74 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
6.1
5.1
Shader Model
6.4
