AMD Radeon E9171 MCM vs NVIDIA GeForce GTX 680MX Mac Edition

VS

AMD Radeon E9171 MCM

NVIDIA GeForce GTX 680MX Mac Edition

We compared two Mobile platform GPUs: 4GB VRAM Radeon E9171 MCM 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 E9171 MCM 's Advantages

Released 5 years late

Boost Clock1219MHz

More VRAM (4GB vs 2GB)

Lower TDP (40W vs 122W)

NVIDIA GeForce GTX 680MX Mac Edition 's Advantages

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

1024 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon E9171 MCM

1.248 TFLOPS

GeForce GTX 680MX Mac Edition +77%

2.209 TFLOPS

Radeon E9171 MCM

VS

GeForce GTX 680MX Mac Edition

Graphics Card

Oct 2017

Release Date

Oct 2012

Embedded

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1124 MHz

Base Clock

-

1219 MHz

Boost Clock

-

1500 MHz

Memory Clock

1250 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

96.00GB/s

Bandwidth

160.0GB/s

Render Config

8

Compute Units

-

512

Shading Units

1536

32

TMUs

128

16

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

19.50 GPixel/s

Pixel Rate

23.01 GPixel/s

39.01 GTexel/s

Texture Rate

92.03 GTexel/s

1248 GFLOPS

FP16 (half)

-

1248 GFLOPS

FP32 (float)

2.209 TFLOPS

78.02 GFLOPS

FP64 (double)

92.03 GFLOPS

Board Design

40W

TDP

122W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Lexa

GPU Name

GK104

Lexa MCM Pro

GPU Variant

N13E-GTX2-A2

GCN 4.0

Architecture

Kepler

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

2.2 billion

Transistors

3.54 billion

103 mm²

Die Size

294 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.2

Vulkan

1.1

-

CUDA

3.0

6.4

Shader Model

5.1

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