Home GPU Comparison NVIDIA GeForce GTX 780M Mac Edition vs NVIDIA GeForce MX450 30.5W 8Gbps

NVIDIA GeForce GTX 780M Mac Edition vs NVIDIA GeForce MX450 30.5W 8Gbps

We compared two Mobile platform GPUs: 4GB VRAM GeForce GTX 780M Mac Edition and 2GB VRAM GeForce MX450 30.5W 8Gbps 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
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (160.0GB/s vs 64.00GB/s)
640 additional rendering cores
NVIDIA GeForce MX450 30.5W 8Gbps 's Advantages
Released 6 years and 9 months late
Boost Clock has increased by 60% (1275MHz vs 797MHz)
Lower TDP (31W vs 122W)

Score

Benchmark

FP32 (float)
GeForce GTX 780M Mac Edition +7%
2.448 TFLOPS
GeForce MX450 30.5W 8Gbps
2.285 TFLOPS
VS

Graphics Card

Nov 2013
Release Date
Aug 2020
GeForce 700M
Generation
GeForce MX
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 4.0 x4

Clock Speeds

771 MHz
Base Clock
1035 MHz
797 MHz
Boost Clock
1275 MHz
1250 MHz
Memory Clock
2000 MHz

Memory

4GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
64bit
160.0GB/s
Bandwidth
64.00GB/s

Render Config

-
SM Count
14
-
Compute Units
-
1536
Shading Units
896
128
TMUs
56
32
ROPs
32
-
Tensor Cores
-
-
RT Cores
-
16 KB (per SMX)
L1 Cache
64 KB (per SM)
512 KB
L2 Cache
512 KB

Theoretical Performance

25.50 GPixel/s
Pixel Rate
40.80 GPixel/s
102.0 GTexel/s
Texture Rate
71.40 GTexel/s
-
FP16 (half)
4.570 TFLOPS
2.448 TFLOPS
FP32 (float)
2.285 TFLOPS
102.0 GFLOPS
FP64 (double)
71.40 GFLOPS

Graphics Processor

GK104
GPU Name
TU117
N14E-GTX-A2
GPU Variant
-
Kepler
Architecture
Turing
TSMC
Foundry
TSMC
28 nm
Process Size
12 nm
3.54 billion
Transistors
4.7 billion
294 mm²
Die Size
200 mm²

Board Design

122W
TDP
31W
-
Suggested PSU
-
No outputs
Outputs
No outputs
-
Power Connectors
None

Graphics Features

12 (11_0)
DirectX
12 (12_1)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.1
Vulkan
1.3
3.0
CUDA
7.5
5.1
Shader Model
6.6

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