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Iris Graphics 540 and Radeon HD 6670 - video card comparison


Passmark - benchmark score Iris Graphics 540 vs Radeon HD 6670

Iris Graphics 540
1297
Radeon HD 6670
752

Iris Graphics 540

Radeon HD 6670


Architecture
Gen. 9 Skylake (2015−2016)
TeraScale 2 (2009−2015)

GPU code name
Skylake GT3e
Turks

Market segment
Laptop
Desktop

Release date
September 2015
April 2011

Bus support
-
PCIe 2.0 x16

Interface
PCIe 3.0 x1
PCIe 2.0 x16

Supplementary power connectors
-
None

Boost clock speed
1050 MHz
800 MHz

Core clock speed
300 MHz
-

Floating-point performance
-
768.0 gflops

Manufacturing process technology
14 nm
40 nm

Number of transistors
189 million
716 million

Pipelines / CUDA cores
48
480

Power consumption (TDP)
15 Watt
66 Watt

Texture fill rate
50.40
19.20

Memory type
eDRAM
GDDR5

Maximum RAM amount
64 MB
1 GB

Memory bus width
eDRAM + 64/128 Bit
128 Bit

Memory clock speed
System Shared
1050 MHz

Memory bandwidth
-
64 GB/s

Shared memory
+
-

Display Connectors
No outputs
1x DVI, 1x HDMI, 1x VGA

Eyefinity
-
1

HDMI
-
+

DisplayPort support
-
-

DirectX
12 (12_1)
DirectX® 11

Mantle
-
-

OpenCL
2.1
1.2

OpenGL
4.6
4.4

Shader Model
6.4
5.0

Vulkan
1.1.97
-

AppAcceleration
-
-

CrossFire
-
1

Enduro
-
-

HD3D
-
-

PowerTune
-
-

Quick Sync
+
-

TrueAudio
-
-

ZeroCore
-
-