GeForce GTX 1080 Ti and Radeon HD 6990 - video card comparison
Passmark - benchmark score GeForce GTX 1080 Ti vs Radeon HD 6990
GeForce GTX 1080 Ti
19118
Radeon HD 6990
3103
GeForce GTX 1080 Ti
Radeon HD 6990
Architecture
Pascal (2016−2021)
TeraScale 3 (2010−2013)
GPU code name
GP102
Antilles
Market segment
Desktop
Desktop
Release date
February 2017
March 2011
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Recommended system power (PSU)
600 Watt
-
Supplementary power connectors
1x 6-pin + 1x 8-pin
2x 8-pin
SLI options
+
-
Boost clock speed
1600 MHz
-
Core clock speed
1481 MHz
830 MHz
Floating-point performance
11,340 gflops
2x 2,549.8 gflops
Manufacturing process technology
16 nm
40 nm
Number of transistors
11,800 million
2,640 million
Pipelines / CUDA cores
3584
1536
Power consumption (TDP)
250 Watt
375 Watt
Maximum GPU temperature
91 °C
-
Texture fill rate
354.4
79.68
Memory type
GDDR5X
GDDR5
Maximum RAM amount
11 GB
2 GB
Memory bus width
352 Bit
256 Bit
Memory clock speed
11000 MHz
5000 MHz
Memory bandwidth
484.4 GB/s
160.0 GB/s
Shared memory
-
-
Display Connectors
1x HDMI, 3x DisplayPort
1x DVI, 4x mini-DisplayPort
Multi monitor support
+
-
HDMI
+
-
G-SYNC support
+
-
DirectX
12 (12_1)
11.2 (11_0)
CUDA
+
-
OpenCL
1.2
1.2
OpenGL
4.5
4.4
Shader Model
6.4
5.0
Vulkan
+
N/A
Ansel
+
-
GPU Boost
3.0
-