NVIDIA GeForce 8600M GT Mac Edition vs NVIDIA GeForce 840M

VS

NVIDIA GeForce 8600M GT Mac Edition NVIDIA GeForce 840M

We compared two Mobile platform GPUs: 512MB VRAM GeForce 8600M GT Mac Edition and 2GB VRAM GeForce 840M 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 16.02GB/s)

Lower TDP (20W vs 33W)

NVIDIA GeForce 840M 's Advantages

Released 6 years and 5 months late

Boost Clock1124MHz

352 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 8600M GT Mac Edition

0.06 TFLOPS

GeForce 840M +1338%

0.863 TFLOPS

GeForce 8600M GT Mac Edition

VS

GeForce 840M

Graphics Card

Oct 2007

Release Date

Mar 2014

GeForce 8M

Generation

GeForce 800M

Mobile

Type

Mobile

MXM-II

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1029 MHz

-

Boost Clock

1124 MHz

635 MHz

Memory Clock

1001 MHz

Memory

512MB

Memory Size

2GB

GDDR3

Memory Type

DDR3

128bit

Memory Bus

64bit

20.32GB/s

Bandwidth

16.02GB/s

Render Config

4

SM Count

-

Compute Units

-

32

Shading Units

384

16

TMUs

16

8

ROPs

8

-

Tensor Cores

-

RT Cores

-

L1 Cache

64 KB (per SMM)

32 KB

L2 Cache

1024 KB

Theoretical Performance

3.760 GPixel/s

Pixel Rate

8.992 GPixel/s

7.520 GTexel/s

Texture Rate

17.98 GTexel/s

-

FP16 (half)

-

60.16 GFLOPS

FP32 (float)

863.2 GFLOPS

-

FP64 (double)

26.98 GFLOPS

Graphics Processor

G84

GPU Name

GM108

NB8P-GS

GPU Variant

N15S-GT

Tesla

Architecture

Maxwell

TSMC

Foundry

TSMC

80 nm

Process Size

28 nm

0.289 billion

Transistors

Unknown

169 mm²

Die Size

Unknown

Board Design

20W

TDP

33W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

-

Graphics Features

11.1 (10_0)

DirectX

12 (11_0)

3.3

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.3

1.1

CUDA

5.0

4.0

Shader Model

5.1

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