NVIDIA GeForce GTX 680MX Mac Edition vs AMD Radeon E8870

VS

NVIDIA GeForce GTX 680MX Mac Edition

AMD Radeon E8870

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 680MX Mac Edition and 4GB VRAM Radeon E8870 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

Larger VRAM bandwidth (160.0GB/s vs 96.00GB/s)

768 additional rendering cores

AMD Radeon E8870 's Advantages

Released 2 years and 11 months late

More VRAM (4GB vs 2GB)

Lower TDP (75W vs 122W)

Score

Benchmark

FP32 (float)

GeForce GTX 680MX Mac Edition +43%

2.209 TFLOPS

Radeon E8870

1.536 TFLOPS

GeForce GTX 680MX Mac Edition

VS

Radeon E8870

Graphics Card

Oct 2012

Release Date

Sep 2015

GeForce 600M

Generation

Embedded

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

1250 MHz

Memory Clock

1500 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

160.0GB/s

Bandwidth

96.00GB/s

Render Config

-

Compute Units

12

-

1536

Shading Units

768

128

TMUs

48

32

ROPs

16

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

23.01 GPixel/s

Pixel Rate

16.00 GPixel/s

92.03 GTexel/s

Texture Rate

48.00 GTexel/s

-

2.209 TFLOPS

FP32 (float)

1.536 TFLOPS

92.03 GFLOPS

FP64 (double)

96.00 GFLOPS

Board Design

122W

TDP

75W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

GK104

GPU Name

Saturn

N13E-GTX2-A2

GPU Variant

Saturn PRO

Kepler

Architecture

GCN 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

3.54 billion

Transistors

2.08 billion

294 mm²

Die Size

160 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.0

1.1

Vulkan

1.2

3.0

CUDA

-

5.1

Shader Model

6.3

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