NVIDIA GeForce 800A vs AMD Radeon HD 6630M Mac Edition

VS

NVIDIA GeForce 800A AMD Radeon HD 6630M Mac Edition

We compared two Mobile platform GPUs: 1024MB VRAM GeForce 800A 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 800A 's Advantages

Released 3 years and 2 months late

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 14.40GB/s)

432 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 800A

0.091 TFLOPS

Radeon HD 6630M Mac Edition +427%

0.48 TFLOPS

GeForce 800A

VS

Radeon HD 6630M Mac Edition

Graphics Card

Mar 2014

Release Date

Jan 2011

GeForce 800A

Generation

Vancouver

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

900 MHz

Memory Clock

600 MHz

Memory

1024MB

Memory Size

256MB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

64bit

14.40GB/s

Bandwidth

19.20GB/s

Render Config

1

SM Count

-

Compute Units

6

48

Shading Units

480

8

TMUs

24

4

ROPs

8

-

Tensor Cores

-

RT Cores

-

64 KB (per SM)

L1 Cache

-

128 KB

L2 Cache

-

Theoretical Performance

950.0 MPixel/s

Pixel Rate

4.000 GPixel/s

3.800 GTexel/s

Texture Rate

12.00 GTexel/s

-

FP16 (half)

-

91.20 GFLOPS

FP32 (float)

480.0 GFLOPS

7.600 GFLOPS

FP64 (double)

-

Graphics Processor

GF119

GPU Name

Whistler

-

GPU Variant

Whistler LP

Fermi 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.292 billion

Transistors

0.716 billion

79 mm²

Die Size

104 mm²

Board Design

15W

TDP

26W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

-

Graphics Features

12 (11_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.1

OpenCL

1.2

N/A

Vulkan

N/A

2.1

CUDA

-

5.1

Shader Model

5.0

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