NVIDIA GeForce 8600M GT Mac Edition vs NVIDIA GeForce GT 820M

VS

NVIDIA GeForce 8600M GT Mac Edition

NVIDIA GeForce GT 820M

We compared two Mobile platform GPUs: 512MB VRAM GeForce 8600M GT 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 8600M GT Mac Edition 's Advantages

Larger VRAM bandwidth (20.32GB/s vs 14.40GB/s)

NVIDIA GeForce GT 820M 's Advantages

Released 6 years and 1 months late

More VRAM (1024GB vs 512GB)

64 additional rendering cores

Lower TDP (15W vs 20W)

Score

Benchmark

FP32 (float)

GeForce 8600M GT Mac Edition

0.06 TFLOPS

GeForce GT 820M +396%

0.298 TFLOPS

GeForce 8600M GT Mac Edition

VS

GeForce GT 820M

Graphics Card

Oct 2007

Release Date

Nov 2013

GeForce 8M

Generation

GeForce 800M

Mobile

Type

Mobile

MXM-II

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

635 MHz

Memory Clock

900 MHz

Memory

512MB

Memory Size

1024MB

GDDR3

Memory Type

DDR3

128bit

Memory Bus

64bit

20.32GB/s

Bandwidth

14.40GB/s

Render Config

-

4

SM Count

2

32

Shading Units

96

16

TMUs

16

8

ROPs

8

-

L1 Cache

64 KB (per SM)

32 KB

L2 Cache

128 KB

-

Theoretical Performance

3.760 GPixel/s

Pixel Rate

3.100 GPixel/s

7.520 GTexel/s

Texture Rate

12.40 GTexel/s

-

60.16 GFLOPS

FP32 (float)

297.6 GFLOPS

-

FP64 (double)

24.80 GFLOPS

Board Design

20W

TDP

15W

-

No outputs

Outputs

No outputs

-

Graphics Processor

G84

GPU Name

GF117

NB8P-GS

GPU Variant

N15V-GM

Tesla

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

80 nm

Process Size

28 nm

0.289 billion

Transistors

0.585 billion

169 mm²

Die Size

116 mm²

Graphics Features

11.1 (10_0)

DirectX

12 (11_0)

3.3

OpenGL

4.6

1.1

OpenCL

1.1

N/A

Vulkan

N/A

1.1

CUDA

2.1

4.0

Shader Model

5.1

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