GeForce GTX 1080 Ti and GeForce 8800 GTS 640 - video card comparison
GeForce GTX 1080 Ti
GeForce 8800 GTS 640
Architecture
Pascal (2016−2021)
Tesla (2006−2010)
GPU code name
GP102
G80
Market segment
Desktop
Desktop
Release date
February 2017
November 2006
Interface
PCIe 3.0 x16
PCIe 1.0 x16
Recommended system power (PSU)
600 Watt
-
Supplementary power connectors
1x 6-pin + 1x 8-pin
1x 6-pin
SLI options
+
-
Boost clock speed
1600 MHz
-
Core clock speed
1481 MHz
513 MHz
Floating-point performance
11,340 gflops
228.1 gflops
Manufacturing process technology
16 nm
90 nm
Number of transistors
11,800 million
681 million
Pipelines / CUDA cores
3584
96
Power consumption (TDP)
250 Watt
143 Watt
Maximum GPU temperature
91 °C
-
Texture fill rate
354.4
24.62
Memory type
GDDR5X
GDDR3
Maximum RAM amount
11 GB
640 MB
Memory bus width
352 Bit
320 Bit
Memory clock speed
11000 MHz
1584 MHz
Memory bandwidth
484.4 GB/s
63.36 GB/s
Shared memory
-
-
Display Connectors
1x HDMI, 3x DisplayPort
2x DVI, 1x S-Video
Multi monitor support
+
-
HDMI
+
-
G-SYNC support
+
-
DirectX
12 (12_1)
11.1 (10_0)
CUDA
+
+
OpenCL
1.2
1.1
OpenGL
4.5
3.3
Shader Model
6.4
4.0
Vulkan
+
N/A
Ansel
+
-
GPU Boost
3.0
-