NVIDIA GeForce GT 330M Mac Edition vs NVIDIA GeForce GT 820M

VS

NVIDIA GeForce GT 330M Mac Edition

NVIDIA GeForce GT 820M

We compared two Mobile platform GPUs: 512MB VRAM GeForce GT 330M Mac Edition and 1024MB VRAM GeForce GT 820M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 330M Mac Edition 's Advantages

Larger VRAM bandwidth (25.28GB/s vs 14.40GB/s)

NVIDIA GeForce GT 820M 's Advantages

Released 3 years and 7 months late

More VRAM (1024GB vs 512GB)

48 additional rendering cores

Lower TDP (15W vs 23W)

Score

Benchmark

FP32 (float)

GeForce GT 330M Mac Edition

0.106 TFLOPS

GeForce GT 820M +181%

0.298 TFLOPS

GeForce GT 330M Mac Edition

VS

GeForce GT 820M

Graphics Card

Apr 2010

Release Date

Nov 2013

GeForce 300M

Generation

GeForce 800M

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

790 MHz

Memory Clock

900 MHz

Memory

512MB

Memory Size

1024MB

GDDR3

Memory Type

DDR3

128bit

Memory Bus

64bit

25.28GB/s

Bandwidth

14.40GB/s

Render Config

-

6

SM Count

2

48

Shading Units

96

16

TMUs

16

8

ROPs

8

-

L1 Cache

64 KB (per SM)

64 KB

L2 Cache

128 KB

-

Theoretical Performance

4.000 GPixel/s

Pixel Rate

3.100 GPixel/s

8.000 GTexel/s

Texture Rate

12.40 GTexel/s

-

105.6 GFLOPS

FP32 (float)

297.6 GFLOPS

-

FP64 (double)

24.80 GFLOPS

Board Design

23W

TDP

15W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GT216

GPU Name

GF117

N11P-GE1-A3

GPU Variant

N15V-GM

Tesla 2.0

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.486 billion

Transistors

0.585 billion

100 mm²

Die Size

116 mm²

Graphics Features

11.1 (10_1)

DirectX

12 (11_0)

3.3

OpenGL

4.6

1.1

OpenCL

1.1

N/A

Vulkan

N/A

1.2

CUDA

2.1

4.1

Shader Model

5.1

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