NVIDIA GeForce 805A vs AMD Radeon HD 6630M Mac Edition

VS

NVIDIA GeForce 805A

AMD Radeon HD 6630M Mac Edition

We compared two Mobile platform GPUs: 1024MB VRAM GeForce 805A 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 805A 's Advantages

Released 3 years and 6 months late

Boost Clock758MHz

More VRAM (1024GB vs 256GB)

Lower TDP (15W vs 26W)

AMD Radeon HD 6630M Mac Edition 's Advantages

Larger VRAM bandwidth (19.20GB/s vs 16.02GB/s)

288 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 805A

0.291 TFLOPS

Radeon HD 6630M Mac Edition +64%

0.48 TFLOPS

GeForce 805A

VS

Radeon HD 6630M Mac Edition

Graphics Card

Jul 2014

Release Date

Jan 2011

GeForce 800A

Generation

Vancouver

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

719 MHz

Base Clock

-

758 MHz

Boost Clock

-

1001 MHz

Memory Clock

600 MHz

Memory

1024MB

Memory Size

256MB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

64bit

16.02GB/s

Bandwidth

19.20GB/s

Render Config

-

Compute Units

6

-

192

Shading Units

480

16

TMUs

24

8

ROPs

8

-

16 KB (per SMX)

L1 Cache

-

512 KB

L2 Cache

-

Theoretical Performance

6.064 GPixel/s

Pixel Rate

4.000 GPixel/s

12.13 GTexel/s

Texture Rate

12.00 GTexel/s

-

291.1 GFLOPS

FP32 (float)

480.0 GFLOPS

12.13 GFLOPS

FP64 (double)

-

Board Design

15W

TDP

26W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GK208

GPU Name

Whistler

-

GPU Variant

Whistler LP

Kepler 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.02 billion

Transistors

0.716 billion

87 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

1.1

Vulkan

N/A

3.5

CUDA

-

5.1

Shader Model

5.0

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