NVIDIA GeForce GTX 675MX Mac Edition vs AMD Radeon HD 7970M

VS

NVIDIA GeForce GTX 675MX Mac Edition

AMD Radeon HD 7970M

We compared two Mobile platform GPUs: 1024MB VRAM GeForce GTX 675MX Mac Edition and 2GB VRAM Radeon HD 7970M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 675MX Mac Edition 's Advantages

Released 1 years late

Larger VRAM bandwidth (160.0GB/s vs 153.6GB/s)

64 additional rendering cores

AMD Radeon HD 7970M 's Advantages

More VRAM (2GB vs 1024GB)

Score

Benchmark

FP32 (float)

GeForce GTX 675MX Mac Edition

1.933 TFLOPS

Radeon HD 7970M +12%

2.176 TFLOPS

GeForce GTX 675MX Mac Edition

VS

Radeon HD 7970M

Graphics Card

Apr 2013

Release Date

Apr 2012

GeForce 600M

Generation

London

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

1250 MHz

Memory Clock

1200 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

160.0GB/s

Bandwidth

153.6GB/s

Render Config

-

Compute Units

20

-

1344

Shading Units

1280

112

TMUs

80

32

ROPs

32

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

20.13 GPixel/s

Pixel Rate

27.20 GPixel/s

80.53 GTexel/s

Texture Rate

68.00 GTexel/s

-

1.933 TFLOPS

FP32 (float)

2.176 TFLOPS

80.53 GFLOPS

FP64 (double)

136.0 GFLOPS

Board Design

100W

TDP

100W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

GK104

GPU Name

Wimbledon

N13E-GSR-A2

GPU Variant

Wimbledon XT (216-0836036)

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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