AMD Radeon HD 8670A vs NVIDIA GeForce GT 330M Mac Edition

VS

AMD Radeon HD 8670A

NVIDIA GeForce GT 330M Mac Edition

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 8670A and 512MB VRAM GeForce GT 330M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8670A 's Advantages

Released 2 years and 10 months late

More VRAM (1024GB vs 512GB)

336 additional rendering cores

NVIDIA GeForce GT 330M Mac Edition 's Advantages

Larger VRAM bandwidth (25.28GB/s vs 16.00GB/s)

Lower TDP (23W vs 45W)

Score

Benchmark

FP32 (float)

Radeon HD 8670A +334%

0.461 TFLOPS

GeForce GT 330M Mac Edition

0.106 TFLOPS

Radeon HD 8670A

VS

GeForce GT 330M Mac Edition

Graphics Card

Feb 2013

Release Date

Apr 2010

All-In-One

Generation

GeForce 300M

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

MXM-A (3.0)

Clock Speeds

-

1000 MHz

Memory Clock

790 MHz

Memory

1024MB

Memory Size

512MB

DDR3

Memory Type

GDDR3

64bit

Memory Bus

128bit

16.00GB/s

Bandwidth

25.28GB/s

Render Config

6

Compute Units

-

SM Count

6

384

Shading Units

48

24

TMUs

16

8

ROPs

8

-

16 KB (per CU)

L1 Cache

-

128 KB

L2 Cache

64 KB

-

Theoretical Performance

4.800 GPixel/s

Pixel Rate

4.000 GPixel/s

14.40 GTexel/s

Texture Rate

8.000 GTexel/s

-

460.8 GFLOPS

FP32 (float)

105.6 GFLOPS

28.80 GFLOPS

FP64 (double)

-

Board Design

45W

TDP

23W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Mars

GPU Name

GT216

Mars XT

GPU Variant

N11P-GE1-A3

GCN 1.0

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

0.95 billion

Transistors

0.486 billion

77 mm²

Die Size

100 mm²

Graphics Features

12 (11_1)

DirectX

11.1 (10_1)

4.6

OpenGL

3.3

1.2

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

1.2

5.1

Shader Model

4.1

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