Iris Xe MAX Graphics vs GeForce 840A
We compared two Mobile platform GPUs: 4GB VRAM Iris Xe MAX Graphics and 2GB VRAM GeForce 840A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Iris Xe MAX Graphics Advantages
Released 6 years and 7 months late
Boost Clock has increased by 47% (1650MHz vs 1124MHz)
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (68.26GB/s vs 16.02GB/s)
384 additional rendering cores
Lower TDP (25W vs 33W)
Score
Benchmark
FP32 (float)
Iris Xe MAX Graphics
+193%
2534
GeForce 840A
863
Graphics Card
Oct 2020
Release Date
Mar 2014
HD Graphics-M
Generation
GeForce 800A
Mobile
Type
Mobile
PCIe 4.0 x8
Bus Interface
PCIe 3.0 x8
Clock Speeds
300 MHz
Base Clock
1029 MHz
1650 MHz
Boost Clock
1124 MHz
2133 MHz
Memory Clock
1001 MHz
Memory
4GB
Memory Size
2GB
LPDDR4X
Memory Type
DDR3
128bit
Memory Bus
64bit
68.26GB/s
Bandwidth
16.02GB/s
Render Config
768
Shading Units
384
48
TMUs
16
24
ROPs
8
-
L1 Cache
64 KB (per SMM)
1024 KB
L2 Cache
1024 KB
16 MB
L3 Cache
-
Theoretical Performance
39.60 GPixel/s
Pixel Rate
8.992 GPixel/s
79.20 GTexel/s
Texture Rate
17.98 GTexel/s
5.069 TFLOPS
FP16 (half)
-
2.534 TFLOPS
FP32 (float)
863.2 GFLOPS
633.6 GFLOPS
FP64 (double)
26.98 GFLOPS
Board Design
25W
TDP
33W
No outputs
Outputs
No outputs
Graphics Processor
DG1
GPU Name
GM108
Generation 12.1
Architecture
Maxwell
Intel
Foundry
TSMC
10 nm
Process Size
28 nm
Unknown
Transistors
Unknown
95 mm²
Die Size
Unknown
Graphics Features
12 (12_1)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.3
Vulkan
1.3
-
CUDA
5.0
6.4
Shader Model
5.1
