Radeon R7 M340 and HD Graphics 4000 - video card comparison
Passmark - benchmark score Radeon R7 M340 vs HD Graphics 4000
Radeon R7 M340
679
HD Graphics 4000
468
Radeon R7 M340
HD Graphics 4000
Architecture
GCN (2011−2017)
Gen. 7 Ivy Bridge (2011−2012)
GPU code name
Meso Pro DDR3
Ivy Bridge
Market segment
Laptop
Laptop
Release date
June 2015
March 2011
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x8
PCIe 1.0 x16
Supplementary power connectors
None
-
Boost clock speed
1021 MHz
1350 MHz
Compute units
6
-
Core clock speed
1021 MHz
350 MHz
Floating-point performance
549.1 gflops
33.6 gflops
Manufacturing process technology
28 nm
22 nm
Number of transistors
950 million
1,200 million
Pipelines / CUDA cores
320
16
Power consumption (TDP)
-
unknown
Texture fill rate
17.16
20.80
Memory type
DDR3
System Shared
Maximum RAM amount
4 GB
System Shared
Memory bus width
128 Bit
64/128 Bit
Memory clock speed
1000 MHz
System Shared
Memory bandwidth
16 GB/s
-
Shared memory
-
+
Display Connectors
No outputs
No outputs
Eyefinity
1
-
DirectX
DirectX® 12
11.1 (11_0)
Mantle
+
-
OpenCL
Not Listed
1.2
OpenGL
4.4
4.0
Shader Model
5.1
5.0
Vulkan
+
1.1.80
AppAcceleration
-
-
DualGraphics
1
-
Enduro
-
-
FreeSync
1
-
HD3D
+
-
PowerTune
+
-
Quick Sync
-
+
Switchable graphics
1
-
TrueAudio
-
-
ZeroCore
+
-