GeForce GTX 1080 Ti and Radeon HD 7970 GHz Edition - video card comparison
GeForce GTX 1080 Ti
Radeon HD 7970 GHz Edition
Architecture
Pascal (2016−2021)
GCN 1.0 (2012−2020)
GPU code name
GP102
Tahiti
Market segment
Desktop
Desktop
Release date
February 2017
June 2012
Bus support
-
PCIe 2.1 x16
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Recommended system power (PSU)
600 Watt
-
Supplementary power connectors
1x 6-pin + 1x 8-pin
1x 6-pin + 1x 8-pin
SLI options
+
-
Boost clock speed
1600 MHz
1050 MHz
Core clock speed
1481 MHz
-
Floating-point performance
11,340 gflops
4,301 gflops
Manufacturing process technology
16 nm
28 nm
Number of transistors
11,800 million
4,313 million
Pipelines / CUDA cores
3584
2048
Power consumption (TDP)
250 Watt
250 Watt
Maximum GPU temperature
91 °C
-
Texture fill rate
354.4
134.4
Memory type
GDDR5X
GDDR5
Maximum RAM amount
11 GB
3 GB
Memory bus width
352 Bit
384 Bit
Memory clock speed
11000 MHz
1500 MHz
Memory bandwidth
484.4 GB/s
288 GB/s
Shared memory
-
-
Display Connectors
1x HDMI, 3x DisplayPort
1x DVI, 1x HDMI, 2x mini-DisplayPort
Multi monitor support
+
-
Eyefinity
-
1
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
+
-
Ansel
+
-
AppAcceleration
-
-
CrossFire
-
1
Enduro
-
-
FreeSync
-
1
GPU Boost
3.0
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-