NVIDIA GeForce GTX 680MX Mac Edition vs AMD Radeon HD 6470M

VS

NVIDIA GeForce GTX 680MX Mac Edition

AMD Radeon HD 6470M

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 680MX Mac Edition and 512MB VRAM Radeon HD 6470M 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 1 years and 9 months late

More VRAM (2GB vs 512GB)

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

1376 additional rendering cores

AMD Radeon HD 6470M 's Advantages

Lower TDP (25W vs 122W)

Score

Benchmark

FP32 (float)

GeForce GTX 680MX Mac Edition +886%

2.209 TFLOPS

Radeon HD 6470M

0.224 TFLOPS

GeForce GTX 680MX Mac Edition

VS

Radeon HD 6470M

Graphics Card

Oct 2012

Release Date

Jan 2011

GeForce 600M

Generation

Vancouver

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1250 MHz

Memory Clock

800 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

64bit

160.0GB/s

Bandwidth

12.80GB/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

23.01 GPixel/s

Pixel Rate

2.800 GPixel/s

92.03 GTexel/s

Texture Rate

5.600 GTexel/s

-

2.209 TFLOPS

FP32 (float)

224.0 GFLOPS

92.03 GFLOPS

FP64 (double)

-

Board Design

122W

TDP

25W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GK104

GPU Name

Seymour

N13E-GTX2-A2

GPU Variant

Seymour XT (216-0810084)

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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