NVIDIA GeForce GTX 780M Mac Edition vs AMD Radeon HD 6450A

VS

NVIDIA GeForce GTX 780M Mac Edition

AMD Radeon HD 6450A

We compared two Mobile platform GPUs: 4GB VRAM GeForce GTX 780M Mac Edition and 512MB VRAM Radeon HD 6450A 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

Released 2 years and 7 months late

Boost Clock797MHz

More VRAM (4GB vs 512GB)

Larger VRAM bandwidth (160.0GB/s vs 8.528GB/s)

1376 additional rendering cores

AMD Radeon HD 6450A 's Advantages

Lower TDP (25W vs 122W)

Score

Benchmark

FP32 (float)

GeForce GTX 780M Mac Edition +1124%

2.448 TFLOPS

Radeon HD 6450A

0.2 TFLOPS

GeForce GTX 780M Mac Edition

VS

Radeon HD 6450A

Graphics Card

Nov 2013

Release Date

Apr 2011

GeForce 700M

Generation

All-In-One

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-A (3.0)

Clock Speeds

771 MHz

Base Clock

-

797 MHz

Boost Clock

-

1250 MHz

Memory Clock

533 MHz

Memory

4GB

Memory Size

512MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

64bit

160.0GB/s

Bandwidth

8.528GB/s

Render Config

-

Compute Units

2

-

1536

Shading Units

160

128

TMUs

8

32

ROPs

4

-

16 KB (per SMX)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

128 KB

-

Theoretical Performance

25.50 GPixel/s

Pixel Rate

2.500 GPixel/s

102.0 GTexel/s

Texture Rate

5.000 GTexel/s

-

2.448 TFLOPS

FP32 (float)

200.0 GFLOPS

102.0 GFLOPS

FP64 (double)

-

Board Design

122W

TDP

25W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GK104

GPU Name

Caicos

N14E-GTX-A2

GPU Variant

-

Kepler

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

3.54 billion

Transistors

0.37 billion

294 mm²

Die Size

67 mm²

Graphics Features

12 (11_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.1

Vulkan

N/A

3.0

CUDA

-

5.1

Shader Model

5.0

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