Iris Xe MAX Graphics vs Radeon HD 6970M Mac Edition
We compared two Mobile platform GPUs: 4GB VRAM Iris Xe MAX Graphics and 2GB VRAM Radeon HD 6970M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Iris Xe MAX Graphics Advantages
Released 9 years and 2 months late
Boost Clock1650MHz
More VRAM (4GB vs 2GB)
Lower TDP (25W vs 75W)
Radeon HD 6970M Mac Edition Advantages
Larger VRAM bandwidth (115.2GB/s vs 68.26GB/s)
192 additional rendering cores
Score
Benchmark
FP32 (float)
Iris Xe MAX Graphics
+94%
2534
Radeon HD 6970M Mac Edition
1306
Graphics Card
Oct 2020
Release Date
Aug 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
900 MHz
Memory
4GB
Memory Size
2GB
LPDDR4X
Memory Type
GDDR5
128bit
Memory Bus
256bit
68.26GB/s
Bandwidth
115.2GB/s
Render Config
-
Compute Units
12
768
Shading Units
960
48
TMUs
48
24
ROPs
32
-
L1 Cache
8 KB (per CU)
1024 KB
L2 Cache
512 KB
16 MB
L3 Cache
-
Theoretical Performance
39.60 GPixel/s
Pixel Rate
21.76 GPixel/s
79.20 GTexel/s
Texture Rate
32.64 GTexel/s
5.069 TFLOPS
FP16 (half)
-
2.534 TFLOPS
FP32 (float)
1306 GFLOPS
633.6 GFLOPS
FP64 (double)
-
Board Design
25W
TDP
75W
No outputs
Outputs
No outputs
-
Power Connectors
None
Graphics Processor
DG1
GPU Name
Blackcomb
-
GPU Variant
Blackcomb XT
(216-0811000)
(216-0811000)
Generation 12.1
Architecture
TeraScale 2
Intel
Foundry
TSMC
10 nm
Process Size
40 nm
Unknown
Transistors
1.7 billion
95 mm²
Die Size
212 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
