AMD Radeon HD 7970M vs NVIDIA GeForce GTX 680MX Mac Edition

VS

AMD Radeon HD 7970M

NVIDIA GeForce GTX 680MX Mac Edition

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 7970M 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 7970M 's Advantages

Lower TDP (100W vs 122W)

NVIDIA GeForce GTX 680MX Mac Edition 's Advantages

Released 6 months late

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

256 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7970M

2.176 TFLOPS

GeForce GTX 680MX Mac Edition +1%

2.209 TFLOPS

Radeon HD 7970M

VS

GeForce GTX 680MX Mac Edition

Graphics Card

Apr 2012

Release Date

Oct 2012

London

Generation

GeForce 600M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1200 MHz

Memory Clock

1250 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

153.6GB/s

Bandwidth

160.0GB/s

Render Config

20

Compute Units

-

1280

Shading Units

1536

80

TMUs

128

32

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

27.20 GPixel/s

Pixel Rate

23.01 GPixel/s

68.00 GTexel/s

Texture Rate

92.03 GTexel/s

-

2.176 TFLOPS

FP32 (float)

2.209 TFLOPS

136.0 GFLOPS

FP64 (double)

92.03 GFLOPS

Board Design

100W

TDP

122W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Wimbledon

GPU Name

GK104

Wimbledon XT (216-0836036)

GPU Variant

N13E-GTX2-A2

GCN 1.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.8 billion

Transistors

3.54 billion

212 mm²

Die Size

294 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.2

OpenCL

3.0

1.2

Vulkan

1.1

-

CUDA

3.0

5.1

Shader Model

5.1

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