AMD Radeon HD 6630M Mac Edition vs NVIDIA GeForce GTX 980 Mobile

VS

AMD Radeon HD 6630M Mac Edition

NVIDIA GeForce GTX 980 Mobile

We compared two Mobile platform GPUs: 256MB VRAM Radeon HD 6630M Mac Edition and 8GB VRAM GeForce GTX 980 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 980 Mobile 's Advantages

Released 4 years and 8 months late

Boost Clock1140MHz

More VRAM (8GB vs 256GB)

Larger VRAM bandwidth (224.4GB/s vs 19.20GB/s)

1568 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6630M Mac Edition

0.48 TFLOPS

GeForce GTX 980 Mobile +872%

4.669 TFLOPS

Radeon HD 6630M Mac Edition

VS

GeForce GTX 980 Mobile

Graphics Card

Jan 2011

Release Date

Sep 2015

Vancouver

Generation

GeForce 900M

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

1064 MHz

-

Boost Clock

1140 MHz

600 MHz

Memory Clock

1753 MHz

Memory

256MB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

256bit

19.20GB/s

Bandwidth

224.4GB/s

Render Config

6

Compute Units

-

480

Shading Units

2048

24

TMUs

128

8

ROPs

64

-

L1 Cache

48 KB (per SMM)

-

L2 Cache

2 MB

-

Theoretical Performance

4.000 GPixel/s

Pixel Rate

72.96 GPixel/s

12.00 GTexel/s

Texture Rate

145.9 GTexel/s

-

480.0 GFLOPS

FP32 (float)

4.669 TFLOPS

-

FP64 (double)

145.9 GFLOPS

Board Design

26W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

Whistler

GPU Name

GM204

Whistler LP

GPU Variant

N16E-GXX-A1

TeraScale 2

Architecture

Maxwell 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.716 billion

Transistors

5.2 billion

104 mm²

Die Size

398 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (12_1)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

5.2

5.0

Shader Model

6.7 (6.4)

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