NVIDIA GeForce 840M vs ATI Mobility Radeon X1600 Mac Edition

VS

NVIDIA GeForce 840M ATI Mobility Radeon X1600 Mac Edition

We compared two Mobile platform GPUs: 2GB VRAM GeForce 840M and 128MB VRAM Mobility Radeon X1600 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 840M 's Advantages

Released 6 years and 4 months late

Boost Clock1124MHz

Larger VRAM bandwidth (16.02GB/s vs 12.67GB/s)

384 additional rendering cores

Score

GeForce 840M

VS

Mobility Radeon X1600 Mac Edition

Graphics Card

Mar 2014

Release Date

Nov 2007

GeForce 800M

Generation

M5x

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 1.0 x16

Clock Speeds

1029 MHz

Base Clock

-

1124 MHz

Boost Clock

-

1001 MHz

Memory Clock

396 MHz

Memory

2GB

Memory Size

128MB

DDR3

Memory Type

GDDR3

64bit

Memory Bus

128bit

16.02GB/s

Bandwidth

12.67GB/s

Render Config

-

SM Count

-

Compute Units

-

384

Shading Units

-

16

TMUs

4

8

ROPs

4

-

Tensor Cores

-

RT Cores

-

64 KB (per SMM)

L1 Cache

-

1024 KB

L2 Cache

-

Theoretical Performance

8.992 GPixel/s

Pixel Rate

1.592 GPixel/s

17.98 GTexel/s

Texture Rate

1.592 GTexel/s

-

FP16 (half)

-

863.2 GFLOPS

FP32 (float)

-

26.98 GFLOPS

FP64 (double)

-

Graphics Processor

GM108

GPU Name

M56

N15S-GT

GPU Variant

-

Maxwell

Architecture

Ultra-Threaded SE

TSMC

Foundry

TSMC

28 nm

Process Size

90 nm

Unknown

Transistors

0.157 billion

Unknown

Die Size

150 mm²

Board Design

33W

TDP

Unknown

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

-

Graphics Features

12 (11_0)

DirectX

9.0c (9_3)

4.6

OpenGL

2.1

3.0

OpenCL

N/A

1.3

Vulkan

N/A

5.0

CUDA

-

5.1

Shader Model

3.0

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