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

VS

NVIDIA GeForce GTX 980MX AMD Radeon HD 6630M Mac Edition

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

Main Differences

NVIDIA GeForce GTX 980MX 's Advantages

Released 5 years and 5 months late

Boost Clock1178MHz

Larger VRAM bandwidth (192.0GB/s vs 19.20GB/s)

1184 additional rendering cores

AMD Radeon HD 6630M Mac Edition 's Advantages

Lower TDP (26W vs 148W)

Score

Benchmark

FP32 (float)

GeForce GTX 980MX +716%

3.92 TFLOPS

Radeon HD 6630M Mac Edition

0.48 TFLOPS

GeForce GTX 980MX

VS

Radeon HD 6630M Mac Edition

Graphics Card

Jun 2016

Release Date

Jan 2011

GeForce 900M

Generation

Vancouver

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1050 MHz

Base Clock

-

1178 MHz

Boost Clock

-

1500 MHz

Memory Clock

600 MHz

Memory

8GB

Memory Size

256MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

64bit

192.0GB/s

Bandwidth

19.20GB/s

Render Config

-

SM Count

-

Compute Units

6

1664

Shading Units

480

104

TMUs

24

64

ROPs

8

-

Tensor Cores

-

RT Cores

-

48 KB (per SMM)

L1 Cache

-

2 MB

L2 Cache

-

Theoretical Performance

75.39 GPixel/s

Pixel Rate

4.000 GPixel/s

122.5 GTexel/s

Texture Rate

12.00 GTexel/s

-

FP16 (half)

-

3.920 TFLOPS

FP32 (float)

480.0 GFLOPS

122.5 GFLOPS

FP64 (double)

-

Graphics Processor

GM204

GPU Name

Whistler

N16E-GXX-A1

GPU Variant

Whistler LP

Maxwell 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

5.2 billion

Transistors

0.716 billion

398 mm²

Die Size

104 mm²

Board Design

148W

TDP

26W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Features

12 (12_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.3

Vulkan

N/A

5.2

CUDA

-

6.4

Shader Model

5.0

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