AMD Radeon HD 7450A vs NVIDIA GeForce GTX 775M Mac Edition

VS

AMD Radeon HD 7450A

NVIDIA GeForce GTX 775M Mac Edition

We compared two Mobile platform GPUs: 512MB VRAM Radeon HD 7450A and 2GB VRAM GeForce GTX 775M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7450A 's Advantages

Lower TDP (25W vs 100W)

NVIDIA GeForce GTX 775M Mac Edition 's Advantages

Released 1 years and 10 months late

More VRAM (2GB vs 512GB)

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

1184 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7450A

0.2 TFLOPS

GeForce GTX 775M Mac Edition +971%

2.142 TFLOPS

Radeon HD 7450A

VS

GeForce GTX 775M Mac Edition

Graphics Card

Jan 2012

Release Date

Nov 2013

All-In-One

Generation

GeForce 700M

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

-

800 MHz

Memory Clock

1250 MHz

Memory

512MB

Memory Size

2GB

GDDR3

Memory Type

GDDR5

64bit

Memory Bus

256bit

12.80GB/s

Bandwidth

160.0GB/s

Render Config

2

Compute Units

-

160

Shading Units

1344

8

TMUs

112

4

ROPs

32

-

8 KB (per CU)

L1 Cache

16 KB (per SMX)

128 KB

L2 Cache

512 KB

-

Theoretical Performance

2.500 GPixel/s

Pixel Rate

22.32 GPixel/s

5.000 GTexel/s

Texture Rate

89.26 GTexel/s

-

200.0 GFLOPS

FP32 (float)

2.142 TFLOPS

-

FP64 (double)

89.26 GFLOPS

Board Design

25W

TDP

100W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Caicos

GPU Name

GK104

-

GPU Variant

N13E-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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