Iris Xe MAX Graphics vs Radeon E8870
We compared two Mobile platform GPUs: 4GB VRAM Iris Xe MAX Graphics and 4GB VRAM Radeon E8870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Iris Xe MAX Graphics Advantages
Released 5 years and 1 months late
Boost Clock1650MHz
Lower TDP (25W vs 75W)
Radeon E8870 Advantages
Larger VRAM bandwidth (96.00GB/s vs 68.26GB/s)
Score
Benchmark
FP32 (float)
Iris Xe MAX Graphics
+64%
2534
Radeon E8870
1536
Graphics Card
Oct 2020
Release Date
Sep 2015
HD Graphics-M
Generation
Embedded
Mobile
Type
Mobile
PCIe 4.0 x8
Bus Interface
MXM-B (3.0)
Clock Speeds
300 MHz
Base Clock
-
1650 MHz
Boost Clock
-
2133 MHz
Memory Clock
1500 MHz
Memory
4GB
Memory Size
4GB
LPDDR4X
Memory Type
GDDR5
128bit
Memory Bus
128bit
68.26GB/s
Bandwidth
96.00GB/s
Render Config
-
Compute Units
12
768
Shading Units
768
48
TMUs
48
24
ROPs
16
-
L1 Cache
16 KB (per CU)
1024 KB
L2 Cache
256 KB
16 MB
L3 Cache
-
Theoretical Performance
39.60 GPixel/s
Pixel Rate
16.00 GPixel/s
79.20 GTexel/s
Texture Rate
48.00 GTexel/s
5.069 TFLOPS
FP16 (half)
-
2.534 TFLOPS
FP32 (float)
1.536 TFLOPS
633.6 GFLOPS
FP64 (double)
96.00 GFLOPS
Board Design
25W
TDP
75W
No outputs
Outputs
No outputs
-
Power Connectors
None
Graphics Processor
DG1
GPU Name
Saturn
-
GPU Variant
Saturn PRO
Generation 12.1
Architecture
GCN 2.0
Intel
Foundry
TSMC
10 nm
Process Size
28 nm
Unknown
Transistors
2.08 billion
95 mm²
Die Size
160 mm²
Graphics Features
12 (12_1)
DirectX
12 (12_0)
4.6
OpenGL
4.6
3.0
OpenCL
2.0
1.3
Vulkan
1.2
6.4
Shader Model
6.3
