NVIDIA GeForce GT 820M vs Intel Iris Xe MAX Graphics
We compared two Mobile platform GPUs: 1024MB VRAM GeForce GT 820M and 4GB VRAM Iris Xe MAX Graphics 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 25W)
Intel Iris Xe MAX Graphics 's Advantages
Released 6 years and 11 months late
Boost Clock1650MHz
More VRAM (4GB vs 1024GB)
Larger VRAM bandwidth (68.26GB/s vs 14.40GB/s)
672 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GT 820M
0.298 TFLOPS
Iris Xe MAX Graphics
+750%
2.534 TFLOPS
Graphics Card
Nov 2013
Release Date
Oct 2020
GeForce 800M
Generation
HD Graphics-M
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
PCIe 4.0 x8
Clock Speeds
-
Base Clock
300 MHz
-
Boost Clock
1650 MHz
900 MHz
Memory Clock
2133 MHz
Memory
1024MB
Memory Size
4GB
DDR3
Memory Type
LPDDR4X
64bit
Memory Bus
128bit
14.40GB/s
Bandwidth
68.26GB/s
Render Config
-
-
-
2
SM Count
-
96
Shading Units
768
16
TMUs
48
8
ROPs
24
-
-
-
-
-
-
64 KB (per SM)
L1 Cache
-
128 KB
L2 Cache
1024 KB
-
L3 Cache
16 MB
Theoretical Performance
3.100 GPixel/s
Pixel Rate
39.60 GPixel/s
12.40 GTexel/s
Texture Rate
79.20 GTexel/s
-
FP16 (half)
5.069 TFLOPS
297.6 GFLOPS
FP32 (float)
2.534 TFLOPS
24.80 GFLOPS
FP64 (double)
633.6 GFLOPS
Board Design
15W
TDP
25W
-
-
-
No outputs
Outputs
No outputs
-
-
-
Graphics Processor
GF117
GPU Name
DG1
N15V-GM
GPU Variant
-
Fermi 2.0
Architecture
Generation 12.1
TSMC
Foundry
Intel
28 nm
Process Size
10 nm
0.585 billion
Transistors
Unknown
116 mm²
Die Size
95 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
-
5.1
Shader Model
6.4
