
GeForce GTX 980 and Radeon R7 M340 - video card comparison
Passmark - benchmark score GeForce GTX 980 vs Radeon R7 M340
GeForce GTX 980
11458
Radeon R7 M340
679
GeForce GTX 980
Radeon R7 M340
Architecture
Maxwell (2014−2018)
GCN (2011−2017)
GPU code name
GM204
Meso Pro DDR3
Market segment
Desktop
Laptop
Release date
September 2014
June 2015
Bus support
PCI Express 3.0
PCIe 3.0
Interface
PCIe 3.0 x16
PCIe 3.0 x8
Recommended system power (PSU)
500 Watt
-
Supplementary power connectors
2x 6-pins
None
SLI options
+
-
Boost clock speed
1216 MHz
1021 MHz
Compute units
-
6
Core clock speed
1064 MHz
1021 MHz
CUDA cores
2048
-
Floating-point performance
4,981 gflops
549.1 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
5,200 million
950 million
Pipelines / CUDA cores
2048
320
Power consumption (TDP)
165 Watt
-
Texture fill rate
144 billion/sec
17.16
Memory type
GDDR5
DDR3
Maximum RAM amount
4 GB
4 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
7.0 GB/s
1000 MHz
Memory bandwidth
224 GB/s
16 GB/s
Shared memory
-
-
Display Connectors
Dual Link DVI-I, HDMI 2.0, 3x DisplayPort 1.2
No outputs
Multi monitor support
4 displays
-
Eyefinity
-
1
VGA аnalog display support
+
-
DisplayPort Multimode (DP++) support
+
-
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
2048x1536
-
G-SYNC support
+
-
Audio input for HDMI
Internal
-
DirectX
12 (12_1)
DirectX® 12
CUDA
+
-
Mantle
-
+
OpenCL
1.2
Not Listed
OpenGL
4.5
4.4
Shader Model
6.4
5.1
Vulkan
1.1.126
+
AppAcceleration
-
-
BatteryBoost
+
-
DualGraphics
-
1
Enduro
-
-
FreeSync
-
1
GameStream
+
-
GameWorks
+
-
GeForce ShadowPlay
+
-
GPU Boost
2.0
-
H.264, VC1, MPEG2 1080p video decoder
+
-
HD3D
-
+
Optimus
+
-
PowerTune
-
+
Switchable graphics
-
1
TrueAudio
-
-
ZeroCore
-
+