NVIDIA GeForce GTX 780M vs AMD Radeon Pro 455

VS

NVIDIA GeForce GTX 780M

AMD Radeon Pro 455

We compared two Mobile platform GPUs: 4GB VRAM GeForce GTX 780M 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 '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 3 years and 5 months late

Lower TDP (35W vs 122W)

Score

Benchmark

FP32 (float)

GeForce GTX 780M +86%

2.448 TFLOPS

Radeon Pro 455

1.313 TFLOPS

GeForce GTX 780M

VS

Radeon Pro 455

Graphics Card

May 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

-

Compute Units

12

-

1536

Shading Units

768

128

TMUs

48

32

ROPs

16

-

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

Board Design

122W

TDP

35W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

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

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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