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

VS

AMD Radeon HD 6450M

NVIDIA GeForce GTX 780M Mac Edition

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6450M and 4GB VRAM GeForce GTX 780M Mac Edition 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 10 months late

Boost Clock797MHz

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (160.0GB/s vs 12.80GB/s)

1376 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6450M

0.192 TFLOPS

GeForce GTX 780M Mac Edition +1175%

2.448 TFLOPS

Radeon HD 6450M

VS

GeForce GTX 780M Mac Edition

Graphics Card

Jan 2011

Release Date

Nov 2013

Vancouver

Generation

GeForce 700M

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

771 MHz

-

Boost Clock

797 MHz

800 MHz

Memory Clock

1250 MHz

Memory

1024MB

Memory Size

4GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

256bit

12.80GB/s

Bandwidth

160.0GB/s

Render Config

2

Compute Units

-

160

Shading Units

1536

8

TMUs

128

4

ROPs

32

-

8 KB (per CU)

L1 Cache

16 KB (per SMX)

128 KB

L2 Cache

512 KB

-

Theoretical Performance

2.400 GPixel/s

Pixel Rate

25.50 GPixel/s

4.800 GTexel/s

Texture Rate

102.0 GTexel/s

-

192.0 GFLOPS

FP32 (float)

2.448 TFLOPS

-

FP64 (double)

102.0 GFLOPS

Board Design

Unknown

TDP

122W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Seymour

GPU Name

GK104

Seymour PRO S3 (216-0809024)

GPU Variant

N14E-GTX-A2

TeraScale 2

Architecture

Kepler

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.37 billion

Transistors

3.54 billion

67 mm²

Die Size

294 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.1

-

CUDA

3.0

5.0

Shader Model

5.1

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