ATI Mobility Radeon HD 3450 vs NVIDIA GeForce GTX 680MX Mac Edition

VS

ATI Mobility Radeon HD 3450

NVIDIA GeForce GTX 680MX Mac Edition

We compared two Mobile platform GPUs: 256MB VRAM Mobility Radeon HD 3450 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

NVIDIA GeForce GTX 680MX Mac Edition 's Advantages

Released 4 years and 9 months late

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (160.0GB/s vs 6.400GB/s)

1496 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 3450

0.04 TFLOPS

GeForce GTX 680MX Mac Edition +5422%

2.209 TFLOPS

Mobility Radeon HD 3450

VS

GeForce GTX 680MX Mac Edition

Graphics Card

Jan 2008

Release Date

Oct 2012

M8x

Generation

GeForce 600M

Mobile

Type

Mobile

MXM-II

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

400 MHz

Memory Clock

1250 MHz

Memory

256MB

Memory Size

2GB

DDR2

Memory Type

GDDR5

64bit

Memory Bus

256bit

6.400GB/s

Bandwidth

160.0GB/s

Render Config

2

Compute Units

-

40

Shading Units

1536

4

TMUs

128

4

ROPs

32

-

L1 Cache

16 KB (per SMX)

64 KB

L2 Cache

512 KB

-

Theoretical Performance

2.000 GPixel/s

Pixel Rate

23.01 GPixel/s

2.000 GTexel/s

Texture Rate

92.03 GTexel/s

-

40.00 GFLOPS

FP32 (float)

2.209 TFLOPS

-

FP64 (double)

92.03 GFLOPS

Board Design

Unknown

TDP

122W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

M82

GPU Name

GK104

M82-SCE XT (216-0707011)

GPU Variant

N13E-GTX2-A2

TeraScale

Architecture

Kepler

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.181 billion

Transistors

3.54 billion

67 mm²

Die Size

294 mm²

Graphics Features

10.1

DirectX

12 (11_0)

3.3

OpenGL

4.6

N/A

OpenCL

3.0

N/A

Vulkan

1.1

-

CUDA

3.0

4.1

Shader Model

5.1

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