NVIDIA GeForce 8600M GS vs NVIDIA GeForce 840A

VS

NVIDIA GeForce 8600M GS

NVIDIA GeForce 840A

We compared two Mobile platform GPUs: 512MB VRAM GeForce 8600M GS and 2GB VRAM GeForce 840A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 8600M GS 's Advantages

Lower TDP (20W vs 33W)

NVIDIA GeForce 840A 's Advantages

Released 6 years and 10 months late

Boost Clock1124MHz

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (16.02GB/s vs 12.80GB/s)

368 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 8600M GS

0.029 TFLOPS

GeForce 840A +2875%

0.863 TFLOPS

GeForce 8600M GS

VS

GeForce 840A

Graphics Card

May 2007

Release Date

Mar 2014

GeForce 8M

Generation

GeForce 800A

Mobile

Type

Mobile

MXM-II

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1029 MHz

-

Boost Clock

1124 MHz

400 MHz

Memory Clock

1001 MHz

Memory

512MB

Memory Size

2GB

DDR2

Memory Type

DDR3

128bit

Memory Bus

64bit

12.80GB/s

Bandwidth

16.02GB/s

Render Config

-

1

SM Count

-

16

Shading Units

384

8

TMUs

16

4

ROPs

8

-

L1 Cache

64 KB (per SMM)

32 KB

L2 Cache

1024 KB

-

Theoretical Performance

1.800 GPixel/s

Pixel Rate

8.992 GPixel/s

3.600 GTexel/s

Texture Rate

17.98 GTexel/s

-

28.80 GFLOPS

FP32 (float)

863.2 GFLOPS

-

FP64 (double)

26.98 GFLOPS

Board Design

20W

TDP

33W

-

No outputs

Outputs

No outputs

-

Graphics Processor

G86

GPU Name

GM108

G86-770-A2

GPU Variant

-

Tesla

Architecture

Maxwell

TSMC

Foundry

TSMC

80 nm

Process Size

28 nm

0.21 billion

Transistors

Unknown

127 mm²

Die Size

Unknown

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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