GeForce GTX 980 Ti and Radeon HD 7970 GHz Edition - video card comparison
GeForce GTX 980 Ti
Radeon HD 7970 GHz Edition
Architecture
Maxwell (2014−2018)
GCN 1.0 (2012−2020)
GPU code name
GM200
Tahiti
Market segment
Desktop
Desktop
Release date
June 2015
June 2012
Bus support
PCI Express 3.0
PCIe 2.1 x16
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Recommended system power (PSU)
600 Watt
-
Supplementary power connectors
6-pin + 8-pin
1x 6-pin + 1x 8-pin
SLI options
+
-
Boost clock speed
1075 MHz
1050 MHz
Core clock speed
1000 MHz
-
CUDA cores
2816
-
Floating-point performance
6,060 gflops
4,301 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
8,000 million
4,313 million
Pipelines / CUDA cores
2816
2048
Power consumption (TDP)
250 Watt
250 Watt
Texture fill rate
176 billion/sec
134.4
Memory type
GDDR5
GDDR5
Maximum RAM amount
6 GB
3 GB
Memory bus width
384 Bit
384 Bit
Memory clock speed
7.0 GB/s
1500 MHz
Memory bandwidth
336.5 GB/s
288 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
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
-
-
CrossFire
-
1
Enduro
-
-
FreeSync
-
1
GameStream
+
-
GameWorks
+
-
GeForce ShadowPlay
+
-
GPU Boost
2.0
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-