NVIDIA GeForce GTX 870M vs NVIDIA GeForce GTX 780 Ti Engineering Sample
GPU Specs Compare
Graphics Card
Release Date
Mar 2014
Unknown
Generation
GeForce 800M
GeForce 700
Type
Mobile
Desktop
Bus Interface
MXM-B (3.0)
PCIe 3.0 x16
Clock Speeds
Base Clock
941 MHz
875 MHz
Boost Clock
967 MHz
928 MHz
Memory Clock
1250 MHz
1753 MHz
Memory
Memory Size
3GB
3GB
Memory Type
GDDR5
GDDR5
Memory Bus
192bit
384bit
Bandwidth
120.0GB/s
336.6GB/s
Render Config
Shading Units
1344
2880
TMUs
112
240
ROPs
24
48
L1 Cache
16 KB (per SMX)
16 KB (per SMX)
L2 Cache
384 KB
1536 KB
Theoretical Performance
Pixel Rate
27.08 GPixel/s
55.68 GPixel/s
Texture Rate
108.3 GTexel/s
222.7 GTexel/s
FP32 (float)
2.599 TFLOPS
5.345 TFLOPS
FP64 (double)
108.3 GFLOPS
222.7 GFLOPS
Graphics Processor
GPU Name
GK104
GK180
GPU Variant
N15E-GT-A2
GK180-425-A1
Architecture
Kepler
Kepler
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
3.54 billion
7.08 billion
Die Size
294 mm²
561 mm²
Board Design
TDP
100W
250W
Outputs
No outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
None
1x 6-pin + 1x 8-pin
Suggested PSU
-
600 W
Graphics Features
DirectX
12 (11_0)
12 (11_0)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.1
1.2.175
CUDA
3.0
3.5
Shader Model
5.1
5.1