NVIDIA GeForce GTX 780 vs NVIDIA GeForce GTX 870M
GPU · Specs Compare
Graphics Card
Release Date
May 2013
Mar 2014
Generation
GeForce 700
GeForce 800M
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
MXM-B (3.0)
Clock Speeds
Base Clock
863 MHz
941 MHz
Boost Clock
902 MHz
967 MHz
Memory Clock
1502 MHz
1250 MHz
Memory
Memory Size
3GB
3GB
Memory Type
GDDR5
GDDR5
Memory Bus
384bit
192bit
Bandwidth
288.4GB/s
120.0GB/s
Render Config
Shading Units
2304
1344
TMUs
192
112
ROPs
48
24
L1 Cache
16 KB (per SMX)
16 KB (per SMX)
L2 Cache
1536 KB
384 KB
Theoretical Performance
Pixel Rate
43.30 GPixel/s
27.08 GPixel/s
Texture Rate
173.2 GTexel/s
108.3 GTexel/s
FP32 (float)
4.156 TFLOPS
2.599 TFLOPS
FP64 (double)
173.2 GFLOPS
108.3 GFLOPS
Graphics Processor
GPU Name
GK110
GK104
GPU Variant
GK110-300-A1
N15E-GT-A2
Architecture
Kepler
Kepler
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
7.08 billion
3.54 billion
Die Size
561 mm²
294 mm²
Board Design
TDP
250W
100W
Suggested PSU
600 W
—
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
No outputs
Power Connectors
1x 6-pin + 1x 8-pin
None
Graphics Features
DirectX
12 (11_0)
12 (11_0)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.2.175
1.1
CUDA
3.5
3.0
Shader Model
6.5 (5.1)
5.1
▲ Specs Compare
Data sourced from official specifications and benchmark tests.