AMD Radeon HD 7450A vs NVIDIA GeForce GTX 680MX Mac Edition

VS

AMD Radeon HD 7450A

NVIDIA GeForce GTX 680MX Mac Edition

We compared two Mobile platform GPUs: 512MB VRAM Radeon HD 7450A and 2GB VRAM GeForce GTX 680MX 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 122W)

NVIDIA GeForce GTX 680MX Mac Edition 's Advantages

Released 9 months late

More VRAM (2GB vs 512GB)

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

1376 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7450A

0.2 TFLOPS

GeForce GTX 680MX Mac Edition +1004%

2.209 TFLOPS

Radeon HD 7450A

VS

GeForce GTX 680MX Mac Edition

Graphics Card

Jan 2012

Release Date

Oct 2012

All-In-One

Generation

GeForce 600M

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

PCIe 3.0 x16

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

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

2.500 GPixel/s

Pixel Rate

23.01 GPixel/s

5.000 GTexel/s

Texture Rate

92.03 GTexel/s

-

200.0 GFLOPS

FP32 (float)

2.209 TFLOPS

-

FP64 (double)

92.03 GFLOPS

Board Design

25W

TDP

122W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Caicos

GPU Name

GK104

-

GPU Variant

N13E-GTX2-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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