GeForce GTX 1080 vs GeForce GTX 780
We compared two Desktop platform GPUs: 8GB VRAM GeForce GTX 1080 and 3GB VRAM GeForce GTX 780 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce GTX 1080 's Advantages
Released 3 years late
Boost Clock has increased by 92% (1733MHz vs 902MHz)
More VRAM (8GB vs 3GB)
Larger VRAM bandwidth (320.3GB/s vs 288.4GB/s)
256 additional rendering cores
Lower TDP (180W vs 250W)
Score
Benchmark
FP32 (float)
GeForce GTX 1080
+113%
8873
GeForce GTX 780
4156
3DMark Time Spy
GeForce GTX 1080
+171%
7565
GeForce GTX 780
2790
Graphics Card
May 2016
Release Date
May 2013
GeForce 10
Generation
GeForce 700
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
1607 MHz
Base Clock
863 MHz
1733 MHz
Boost Clock
902 MHz
1251 MHz
Memory Clock
1502 MHz
Memory
8GB
Memory Size
3GB
GDDR5X
Memory Type
GDDR5
256bit
Memory Bus
384bit
320.3GB/s
Bandwidth
288.4GB/s
Render Config
20
SM Count
-
2560
Shading Units
2304
160
TMUs
192
64
ROPs
48
48 KB (per SM)
L1 Cache
16 KB (per SMX)
2 MB
L2 Cache
1536 KB
Theoretical Performance
110.9 GPixel/s
Pixel Rate
43.30 GPixel/s
277.3 GTexel/s
Texture Rate
173.2 GTexel/s
138.6 GFLOPS
FP16 (half)
-
8.873 TFLOPS
FP32 (float)
4.156 TFLOPS
277.3 GFLOPS
FP64 (double)
173.2 GFLOPS
Board Design
180W
TDP
250W
450 W
Suggested PSU
600 W
1x DVI
1x HDMI 2.0
3x DisplayPort 1.4a
Outputs
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
1x 8-pin
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Processor
GP104
GPU Name
GK110
GP104-400-A1
GPU Variant
GK110-300-A1
Pascal
Architecture
Kepler
TSMC
Foundry
TSMC
16 nm
Process Size
28 nm
7.2 billion
Transistors
7.08 billion
314 mm²
Die Size
561 mm²
Graphics Features
12 (12_1)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.3
Vulkan
1.1
6.1
CUDA
3.5
6.4
Shader Model
5.1
