Home GPU Comparison NVIDIA GeForce GTX 780M Mac Edition vs NVIDIA GeForce GTX 850M

NVIDIA GeForce GTX 780M Mac Edition vs NVIDIA GeForce GTX 850M

We compared two Mobile platform GPUs: 4GB VRAM GeForce GTX 780M Mac Edition and 2GB VRAM GeForce GTX 850M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 780M Mac Edition 's Advantages
Boost Clock797MHz
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (160.0GB/s vs 32.03GB/s)
896 additional rendering cores
NVIDIA GeForce GTX 850M 's Advantages
Lower TDP (45W vs 122W)

Score

Benchmark

FP32 (float)
GeForce GTX 780M Mac Edition +111%
2.448 TFLOPS
GeForce GTX 850M
1.155 TFLOPS
VS

Graphics Card

Nov 2013
Release Date
Mar 2014
GeForce 700M
Generation
GeForce 800M
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 3.0 x16

Clock Speeds

771 MHz
Base Clock
-
797 MHz
Boost Clock
-
1250 MHz
Memory Clock
1001 MHz

Memory

4GB
Memory Size
2GB
GDDR5
Memory Type
DDR3
256bit
Memory Bus
128bit
160.0GB/s
Bandwidth
32.03GB/s

Render Config

-
-
-
-
-
-
1536
Shading Units
640
128
TMUs
40
32
ROPs
16
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
64 KB (per SMM)
512 KB
L2 Cache
2 MB
-
-
-

Theoretical Performance

25.50 GPixel/s
Pixel Rate
14.43 GPixel/s
102.0 GTexel/s
Texture Rate
36.08 GTexel/s
-
-
-
2.448 TFLOPS
FP32 (float)
1155 GFLOPS
102.0 GFLOPS
FP64 (double)
36.08 GFLOPS

Board Design

122W
TDP
45W
-
-
-
No outputs
Outputs
No outputs
-
-
-

Graphics Processor

GK104
GPU Name
GM107
N14E-GTX-A2
GPU Variant
N15P-GT-A1
Kepler
Architecture
Maxwell
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
3.54 billion
Transistors
1.87 billion
294 mm²
Die Size
148 mm²

Graphics Features

12 (11_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.1
Vulkan
1.3
3.0
CUDA
5.0
5.1
Shader Model
5.1

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