NVIDIA GeForce GTX 680MX Mac Edition vs AMD Radeon HD 8970M

VS

NVIDIA GeForce GTX 680MX Mac Edition

AMD Radeon HD 8970M

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 680MX Mac Edition and 4GB VRAM Radeon HD 8970M 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 153.6GB/s)

256 additional rendering cores

AMD Radeon HD 8970M 's Advantages

Released 7 months late

Boost Clock900MHz

More VRAM (4GB vs 2GB)

Lower TDP (100W vs 122W)

Score

Benchmark

FP32 (float)

GeForce GTX 680MX Mac Edition

2.209 TFLOPS

Radeon HD 8970M +4%

2.304 TFLOPS

GeForce GTX 680MX Mac Edition

VS

Radeon HD 8970M

Graphics Card

Oct 2012

Release Date

May 2013

GeForce 600M

Generation

Solar System

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

850 MHz

-

Boost Clock

900 MHz

1250 MHz

Memory Clock

1200 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

160.0GB/s

Bandwidth

153.6GB/s

Render Config

-

Compute Units

20

-

1536

Shading Units

1280

128

TMUs

80

32

ROPs

32

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

23.01 GPixel/s

Pixel Rate

28.80 GPixel/s

92.03 GTexel/s

Texture Rate

72.00 GTexel/s

-

2.209 TFLOPS

FP32 (float)

2.304 TFLOPS

92.03 GFLOPS

FP64 (double)

144.0 GFLOPS

Board Design

122W

TDP

100W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GK104

GPU Name

Neptune

N13E-GTX2-A2

GPU Variant

Neptune XT (216-0847000)

Kepler

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

3.54 billion

Transistors

2.8 billion

294 mm²

Die Size

212 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

1.2

1.1

Vulkan

1.2

3.0

CUDA

-

5.1

Shader Model

5.1

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