Home GPU Comparison NVIDIA GeForce GTX 780M Mac Edition vs AMD Radeon Pro 455

NVIDIA GeForce GTX 780M Mac Edition vs AMD Radeon Pro 455

We compared two Mobile platform GPUs: 4GB VRAM GeForce GTX 780M Mac Edition and 2GB VRAM Radeon Pro 455 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 81.28GB/s)
768 additional rendering cores
AMD Radeon Pro 455 's Advantages
Released 2 years and 11 months late
Lower TDP (35W vs 122W)

Score

Benchmark

FP32 (float)
GeForce GTX 780M Mac Edition +86%
2.448 TFLOPS
Radeon Pro 455
1.313 TFLOPS
VS

Graphics Card

Nov 2013
Release Date
Oct 2016
GeForce 700M
Generation
Radeon Pro Mac
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 3.0 x8

Clock Speeds

771 MHz
Base Clock
-
797 MHz
Boost Clock
-
1250 MHz
Memory Clock
1270 MHz

Memory

4GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
128bit
160.0GB/s
Bandwidth
81.28GB/s

Render Config

-
SM Count
-
-
Compute Units
12
1536
Shading Units
768
128
TMUs
48
32
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
16 KB (per SMX)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
1024 KB

Theoretical Performance

25.50 GPixel/s
Pixel Rate
13.68 GPixel/s
102.0 GTexel/s
Texture Rate
41.04 GTexel/s
-
FP16 (half)
1313 GFLOPS
2.448 TFLOPS
FP32 (float)
1313 GFLOPS
102.0 GFLOPS
FP64 (double)
82.08 GFLOPS

Graphics Processor

GK104
GPU Name
Baffin
N14E-GTX-A2
GPU Variant
Baffin PRO
Kepler
Architecture
GCN 4.0
TSMC
Foundry
GlobalFoundries
28 nm
Process Size
14 nm
3.54 billion
Transistors
3 billion
294 mm²
Die Size
123 mm²

Board Design

122W
TDP
35W
-
Suggested PSU
-
No outputs
Outputs
No outputs
-
Power Connectors
None

Graphics Features

12 (11_0)
DirectX
12 (12_0)
4.6
OpenGL
4.6
3.0
OpenCL
2.1
1.1
Vulkan
1.2
3.0
CUDA
-
5.1
Shader Model
6.4

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