GeForce GTX 980 SLI Mobile and Radeon HD 7950 - video card comparison
GeForce GTX 980 SLI Mobile
Radeon HD 7950
Architecture
Maxwell (2014−2018)
GCN 1.0 (2012−2020)
GPU code name
N16E-GXX SLI
Tahiti
Market segment
Laptop
Desktop
Release date
September 2015
January 2012
Bus support
-
PCIe 3.0 x16
Interface
-
PCIe 3.0 x16
Supplementary power connectors
-
2x 6-pin
SLI options
+
-
Boost clock speed
1228 MHz
1250 MHz
Compute units
-
28
Core clock speed
1126 MHz
-
Floating-point performance
-
2,867 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
10400 Million
4,313 million
Pipelines / CUDA cores
4096
1792
Power consumption (TDP)
330 Watt
200 Watt
Texture fill rate
-
89.60
Memory type
GDDR5
GDDR5
Maximum RAM amount
2x 8 GB
3 GB
Memory bus width
256 Bit
384 Bit
Memory clock speed
3500 MHz
1250 MHz
Memory bandwidth
-
240 GB/s
Shared memory
-
-
Display Connectors
-
1x DVI, 1x HDMI, 2x mini-DisplayPort
Eyefinity
-
1
Number of Eyefinity displays
-
6
HDMI
-
+
DisplayPort support
-
-
G-SYNC support
+
-
DirectX
12_1
DirectX® 11
CUDA
+
-
Mantle
-
-
OpenCL
-
1.2
OpenGL
-
4.6
Shader Model
-
5.1
AppAcceleration
-
+
CrossFire
-
1
Enduro
-
-
FreeSync
-
1
HD3D
-
-
PowerTune
-
+
TrueAudio
-
-
ZeroCore
-
+