Intel Iris Xe MAX Graphics vs AMD Radeon R9 270 1024SP
GPU Specs Compare
Graphics Card
Release Date
Oct 2020
Mar 2015
Generation
HD Graphics-M
Volcanic Islands
Type
Mobile
Desktop
Bus Interface
PCIe 4.0 x8
PCIe 3.0 x16
Clock Speeds
Base Clock
300 MHz
900 MHz
Boost Clock
1650 MHz
925 MHz
Memory Clock
2133 MHz
1200 MHz
Memory
Memory Size
4GB
2GB
Memory Type
LPDDR4X
GDDR5
Memory Bus
128bit
256bit
Bandwidth
68.26GB/s
153.6GB/s
Render Config
Shading Units
768
1024
TMUs
48
64
ROPs
24
32
L2 Cache
1024 KB
512 KB
L3 Cache
16 MB
-
Compute Units
-
16
L1 Cache
-
16 KB (per CU)
Theoretical Performance
Pixel Rate
39.60 GPixel/s
29.60 GPixel/s
Texture Rate
79.20 GTexel/s
59.20 GTexel/s
FP16 (half)
5.069 TFLOPS
-
FP32 (float)
2.534 TFLOPS
1.894 TFLOPS
FP64 (double)
633.6 GFLOPS
118.4 GFLOPS
Graphics Processor
GPU Name
DG1
Pitcairn
Architecture
Generation 12.1
GCN 1.0
Foundry
Intel
TSMC
Process Size
10 nm
28 nm
Transistors
Unknown
2.8 billion
Die Size
95 mm²
212 mm²
GPU Variant
-
Pitcairn PRO(215-0828062)
Board Design
TDP
25W
150W
Outputs
No outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Suggested PSU
-
450 W
Power Connectors
-
1x 6-pin
Graphics Features
DirectX
12 (12_1)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
3.0
1.2
Vulkan
1.3
1.2
Shader Model
6.4
5.1