
Iris Pro Graphics 580 and Radeon HD 6770M - video card comparison
Passmark - benchmark score Iris Pro Graphics 580 vs Radeon HD 6770M
Iris Pro Graphics 580
1896
Radeon HD 6770M
993
Iris Pro Graphics 580
Radeon HD 6770M
Architecture
Gen. 9 Skylake (2015−2016)
Terascale 2 (2009−2015)
GPU code name
Skylake GT4e
Whistler-XT
Market segment
Laptop
Laptop
Release date
September 2015
January 2011
Interface
PCIe 3.0 x1
MXM-A (3.0)
Boost clock speed
1050 MHz
-
Core clock speed
350 MHz
675 / 725 MHz
Floating-point performance
-
696.0 gflops
Manufacturing process technology
14 nm
40 nm
Number of transistors
189 million
716 million
Pipelines / CUDA cores
72
480
Power consumption (TDP)
15 Watt
35 Watt
Texture fill rate
72.00
17.40
Memory type
DDR3L/LPDDR3/DDR4
GDDR5
Maximum RAM amount
64 GB
1 GB
Memory bus width
eDRAM + 64/128 Bit
128 Bit
Memory clock speed
System Shared
800 MHz
Memory bandwidth
-
57.6 GB/s
Shared memory
+
-
Display Connectors
No outputs
No outputs
DirectX
12 (12_1)
11.2 (11_0)
OpenCL
2.1
1.2
OpenGL
4.6
4.4
Shader Model
6.4
5.0
Vulkan
1.1.97
N/A
Quick Sync
+
-