GeForce GTX 980 and Radeon HD 7950 - video card comparison
Passmark - benchmark score GeForce GTX 980 vs Radeon HD 7950
GeForce GTX 980
11458
Radeon HD 7950
4907
GeForce GTX 980
Radeon HD 7950
Architecture
Maxwell (2014−2018)
GCN 1.0 (2012−2020)
GPU code name
GM204
Tahiti
Market segment
Desktop
Desktop
Release date
September 2014
January 2012
Bus support
PCI Express 3.0
PCIe 3.0 x16
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Recommended system power (PSU)
500 Watt
-
Supplementary power connectors
2x 6-pins
2x 6-pin
SLI options
+
-
Boost clock speed
1216 MHz
1250 MHz
Compute units
-
28
Core clock speed
1064 MHz
-
CUDA cores
2048
-
Floating-point performance
4,981 gflops
2,867 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
5,200 million
4,313 million
Pipelines / CUDA cores
2048
1792
Power consumption (TDP)
165 Watt
200 Watt
Texture fill rate
144 billion/sec
89.60
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
3 GB
Memory bus width
256 Bit
384 Bit
Memory clock speed
7.0 GB/s
1250 MHz
Memory bandwidth
224 GB/s
240 GB/s
Shared memory
-
-
Display Connectors
Dual Link DVI-I, HDMI 2.0, 3x DisplayPort 1.2
1x DVI, 1x HDMI, 2x mini-DisplayPort
Multi monitor support
4 displays
-
Eyefinity
-
1
Number of Eyefinity displays
-
6
VGA аnalog display support
+
-
DisplayPort Multimode (DP++) support
+
-
HDMI
+
+
HDCP
+
-
Maximum VGA resolution
2048x1536
-
DisplayPort support
-
-
G-SYNC support
+
-
Audio input for HDMI
Internal
-
DirectX
12 (12_1)
DirectX® 11
CUDA
+
-
Mantle
-
-
OpenCL
1.2
1.2
OpenGL
4.5
4.6
Shader Model
6.4
5.1
Vulkan
1.1.126
-
AppAcceleration
-
+
BatteryBoost
+
-
CrossFire
-
1
Enduro
-
-
FreeSync
-
1
GameStream
+
-
GameWorks
+
-
GeForce ShadowPlay
+
-
GPU Boost
2.0
-
H.264, VC1, MPEG2 1080p video decoder
+
-
HD3D
-
-
Optimus
+
-
PowerTune
-
+
TrueAudio
-
-
ZeroCore
-
+