Iris Xe MAX Graphics vs Radeon HD 6870M
We compared two Mobile platform GPUs: 4GB VRAM Iris Xe MAX Graphics and 1024MB VRAM Radeon HD 6870M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Iris Xe MAX Graphics 's Advantages
Released 9 years and 9 months late
Boost Clock1650MHz
More VRAM (4GB vs 1024GB)
Larger VRAM bandwidth (68.26GB/s vs 64.00GB/s)
Lower TDP (25W vs 50W)
Radeon HD 6870M 's Advantages
32 additional rendering cores
Score
Benchmark
FP32 (float)
Iris Xe MAX Graphics
+134%
2534
Radeon HD 6870M
1080
Graphics Card
Oct 2020
Release Date
Jan 2011
HD Graphics-M
Generation
Vancouver
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
1000 MHz
Memory
4GB
Memory Size
1024MB
LPDDR4X
Memory Type
GDDR5
128bit
Memory Bus
128bit
68.26GB/s
Bandwidth
64.00GB/s
Render Config
-
Compute Units
10
768
Shading Units
800
48
TMUs
40
24
ROPs
16
-
L1 Cache
8 KB (per CU)
1024 KB
L2 Cache
256 KB
16 MB
L3 Cache
-
Theoretical Performance
39.60 GPixel/s
Pixel Rate
10.80 GPixel/s
79.20 GTexel/s
Texture Rate
27.00 GTexel/s
5.069 TFLOPS
FP16 (half)
-
2.534 TFLOPS
FP32 (float)
1080 GFLOPS
633.6 GFLOPS
FP64 (double)
-
Board Design
25W
TDP
50W
No outputs
Outputs
No outputs
Graphics Processor
DG1
GPU Name
Granville
-
GPU Variant
Granville XT
(216-0769024)
Generation 12.1
Architecture
TeraScale 2
Intel
Foundry
TSMC
10 nm
Process Size
40 nm
Unknown
Transistors
1.04 billion
95 mm²
Die Size
166 mm²
Graphics Features
12 (12_1)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
3.0
OpenCL
1.2
1.3
Vulkan
N/A
6.4
Shader Model
5.0
