AMD Radeon HD 8670M vs NVIDIA GeForce GTX 680MX Mac Edition

VS

AMD Radeon HD 8670M

NVIDIA GeForce GTX 680MX Mac Edition

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 8670M 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

AMD Radeon HD 8670M 's Advantages

Boost Clock975MHz

NVIDIA GeForce GTX 680MX Mac Edition 's Advantages

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (160.0GB/s vs 14.40GB/s)

1216 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8670M

0.624 TFLOPS

GeForce GTX 680MX Mac Edition +254%

2.209 TFLOPS

Radeon HD 8670M

VS

GeForce GTX 680MX Mac Edition

Graphics Card

Mar 2013

Release Date

Oct 2012

Solar System

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

925 MHz

Base Clock

-

975 MHz

Boost Clock

-

900 MHz

Memory Clock

1250 MHz

Memory

1024MB

Memory Size

2GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

256bit

14.40GB/s

Bandwidth

160.0GB/s

Render Config

5

Compute Units

-

320

Shading Units

1536

20

TMUs

128

8

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

128 KB

L2 Cache

512 KB

-

Theoretical Performance

7.800 GPixel/s

Pixel Rate

23.01 GPixel/s

19.50 GTexel/s

Texture Rate

92.03 GTexel/s

-

624.0 GFLOPS

FP32 (float)

2.209 TFLOPS

39.00 GFLOPS

FP64 (double)

92.03 GFLOPS

Board Design

Unknown

TDP

122W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Sun

GPU Name

GK104

Sun S3 XT (216-0841009)

GPU Variant

N13E-GTX2-A2

GCN 1.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

0.69 billion

Transistors

3.54 billion

56 mm²

Die Size

294 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

3.0

1.2.170

Vulkan

1.1

-

CUDA

3.0

6.5 (5.1)

Shader Model

5.1

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