NVIDIA GeForce GTX 850A vs AMD Radeon HD 6630M Mac Edition

VS

NVIDIA GeForce GTX 850A

AMD Radeon HD 6630M Mac Edition

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 850A 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 850A 's Advantages

Released 3 years and 2 months late

Boost Clock936MHz

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (28.80GB/s vs 19.20GB/s)

160 additional rendering cores

AMD Radeon HD 6630M Mac Edition 's Advantages

Lower TDP (26W vs 45W)

Score

Benchmark

FP32 (float)

GeForce GTX 850A +149%

1.198 TFLOPS

Radeon HD 6630M Mac Edition

0.48 TFLOPS

GeForce GTX 850A

VS

Radeon HD 6630M Mac Edition

Graphics Card

Mar 2014

Release Date

Jan 2011

GeForce 800A

Generation

Vancouver

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

902 MHz

Base Clock

-

936 MHz

Boost Clock

-

900 MHz

Memory Clock

600 MHz

Memory

2GB

Memory Size

256MB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

64bit

28.80GB/s

Bandwidth

19.20GB/s

Render Config

-

Compute Units

6

-

640

Shading Units

480

40

TMUs

24

16

ROPs

8

-

64 KB (per SMM)

L1 Cache

-

2 MB

L2 Cache

-

Theoretical Performance

14.98 GPixel/s

Pixel Rate

4.000 GPixel/s

37.44 GTexel/s

Texture Rate

12.00 GTexel/s

-

1198 GFLOPS

FP32 (float)

480.0 GFLOPS

37.44 GFLOPS

FP64 (double)

-

Board Design

45W

TDP

26W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GM107

GPU Name

Whistler

N15P-GT-A1

GPU Variant

Whistler LP

Maxwell

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.87 billion

Transistors

0.716 billion

148 mm²

Die Size

104 mm²

Graphics Features

12 (11_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.3

Vulkan

N/A

5.0

CUDA

-

5.1

Shader Model

5.0

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