NVIDIA GeForce GTX 680MX Mac Edition vs ATI Mobility Radeon HD 3870

VS

NVIDIA GeForce GTX 680MX Mac Edition ATI Mobility Radeon HD 3870

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 680MX Mac Edition and 512MB VRAM Mobility Radeon HD 3870 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 4 months late

Larger VRAM bandwidth (160.0GB/s vs 54.40GB/s)

1216 additional rendering cores

ATI Mobility Radeon HD 3870 's Advantages

Lower TDP (55W vs 122W)

Score

Benchmark

FP32 (float)

GeForce GTX 680MX Mac Edition +423%

2.209 TFLOPS

Mobility Radeon HD 3870

0.422 TFLOPS

GeForce GTX 680MX Mac Edition

VS

Mobility Radeon HD 3870

Graphics Card

Oct 2012

Release Date

Jun 2008

GeForce 600M

Generation

M8x

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1250 MHz

Memory Clock

850 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

256bit

160.0GB/s

Bandwidth

54.40GB/s

Render Config

-

SM Count

-

Compute Units

4

1536

Shading Units

320

128

TMUs

16

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

-

512 KB

L2 Cache

256 KB

Theoretical Performance

23.01 GPixel/s

Pixel Rate

10.56 GPixel/s

92.03 GTexel/s

Texture Rate

10.56 GTexel/s

-

FP16 (half)

-

2.209 TFLOPS

FP32 (float)

422.4 GFLOPS

92.03 GFLOPS

FP64 (double)

84.48 GFLOPS

Graphics Processor

GK104

GPU Name

M88

N13E-GTX2-A2

GPU Variant

-

Kepler

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

3.54 billion

Transistors

0.666 billion

294 mm²

Die Size

192 mm²

Board Design

122W

TDP

55W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

-

Graphics Features

12 (11_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

3.0

OpenCL

N/A

1.1

Vulkan

N/A

3.0

CUDA

-

5.1

Shader Model

4.1

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