Radeon R7 M340 and GeForce 7800 GTX - video card comparison
Passmark - benchmark score Radeon R7 M340 vs GeForce 7800 GTX
Radeon R7 M340
679
GeForce 7800 GTX
299
Radeon R7 M340
GeForce 7800 GTX
Architecture
GCN (2011−2017)
Curie (2003−2013)
GPU code name
Meso Pro DDR3
G70
Market segment
Laptop
Desktop
Release date
June 2015
June 2005
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x8
PCIe 1.0 x16
Supplementary power connectors
None
-
Boost clock speed
1021 MHz
-
Compute units
6
-
Core clock speed
1021 MHz
430 MHz
Floating-point performance
549.1 gflops
-
Manufacturing process technology
28 nm
110 nm
Number of transistors
950 million
302 million
Pipelines / CUDA cores
320
-
Power consumption (TDP)
-
86 Watt
Texture fill rate
17.16
10.32
Memory type
DDR3
GDDR3
Maximum RAM amount
4 GB
256 MB
Memory bus width
128 Bit
256 Bit
Memory clock speed
1000 MHz
1200 MHz
Memory bandwidth
16 GB/s
38.4 GB/s
Shared memory
-
-
Display Connectors
No outputs
2x DVI, 1x S-Video
Eyefinity
1
-
DirectX
DirectX® 12
9.0c (9_3)
Mantle
+
-
OpenCL
Not Listed
N/A
OpenGL
4.4
2.1
Shader Model
5.1
3.0
Vulkan
+
N/A
AppAcceleration
-
-
DualGraphics
1
-
Enduro
-
-
FreeSync
1
-
HD3D
+
-
PowerTune
+
-
Switchable graphics
1
-
TrueAudio
-
-
ZeroCore
+
-