NVIDIA GeForce GTX 680MX Mac Edition vs AMD Radeon HD 7950M

VS

NVIDIA GeForce GTX 680MX Mac Edition AMD Radeon HD 7950M

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 680MX Mac Edition and 2GB VRAM Radeon HD 7950M 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 6 months late

Larger VRAM bandwidth (160.0GB/s vs 128.0GB/s)

256 additional rendering cores

AMD Radeon HD 7950M 's Advantages

Lower TDP (75W vs 122W)

Score

Benchmark

FP32 (float)

GeForce GTX 680MX Mac Edition +23%

2.209 TFLOPS

Radeon HD 7950M

1.792 TFLOPS

GeForce GTX 680MX Mac Edition

VS

Radeon HD 7950M

Graphics Card

Oct 2012

Release Date

Apr 2012

GeForce 600M

Generation

London

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

-

Boost Clock

-

1250 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

160.0GB/s

Bandwidth

128.0GB/s

Render Config

-

SM Count

-

Compute Units

20

1536

Shading Units

1280

128

TMUs

80

32

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

512 KB

Theoretical Performance

23.01 GPixel/s

Pixel Rate

22.40 GPixel/s

92.03 GTexel/s

Texture Rate

56.00 GTexel/s

-

FP16 (half)

-

2.209 TFLOPS

FP32 (float)

1.792 TFLOPS

92.03 GFLOPS

FP64 (double)

-

Graphics Processor

GK104

GPU Name

Wimbledon

N13E-GTX2-A2

GPU Variant

Wimbledon PRO

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

Board Design

122W

TDP

75W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

-

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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