GeForce GTX 1080 and Radeon HD 7970 - video card comparison
Passmark - benchmark score GeForce GTX 1080 vs Radeon HD 7970
GeForce GTX 1080
16002
Radeon HD 7970
5405
GeForce GTX 1080
Radeon HD 7970
Architecture
Pascal (2016−2021)
GCN (2011−2017)
GPU code name
Pascal GP104
Tahiti XT
Market segment
Desktop
Desktop
Release date
May 2016
December 2011
Bus support
PCIe 3.0
PCIe 2.1 x16
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Recommended system power (PSU)
500 Watt
-
Supplementary power connectors
8-pin
1x 6-pin + 1x 8-pin
SLI options
+
-
Boost clock speed
1733 MHz
925 MHz
Core clock speed
1607 MHz
-
CUDA cores
2560
-
Floating-point performance
8,873 gflops
3,789 gflops
Manufacturing process technology
16 nm
28 nm
Number of transistors
7,200 million
4,313 million
Pipelines / CUDA cores
2560
2048
Power consumption (TDP)
180 Watt
300 Watt
Maximum GPU temperature
94 °C
-
Texture fill rate
277.3
118.4
Memory type
GDDR5X
GDDR5
Maximum RAM amount
8 GB
6 GB
Memory bus width
256 Bit
384 Bit
Memory clock speed
10 GB/s
1375 MHz
Memory bandwidth
320 GB/s
264 GB/s
Shared memory
-
-
Display Connectors
DP 1.42, HDMI 2.0b, DL-DVI
1x DVI, 1x HDMI, 2x mini-DisplayPort
Multi monitor support
+
-
Eyefinity
-
+
HDMI
+
+
DisplayPort support
-
-
G-SYNC support
+
-
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
1.2.131
-
Ansel
+
-
AppAcceleration
-
-
CrossFire
-
1
Enduro
-
-
FreeSync
-
1
GPU Boost
3.0
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
VR Ready
+
-
ZeroCore
-
-