ATI Mobility Radeon HD 5670 Mac Edition vs NVIDIA GeForce 840M

VS

ATI Mobility Radeon HD 5670 Mac Edition

NVIDIA GeForce 840M

We compared two Mobile platform GPUs: 512MB VRAM Mobility Radeon HD 5670 Mac Edition and 2GB VRAM GeForce 840M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 5670 Mac Edition 's Advantages

Larger VRAM bandwidth (25.44GB/s vs 16.02GB/s)

16 additional rendering cores

Lower TDP (15W vs 33W)

NVIDIA GeForce 840M 's Advantages

Released 3 years and 11 months late

Boost Clock1124MHz

More VRAM (2GB vs 512GB)

Score

Benchmark

FP32 (float)

Mobility Radeon HD 5670 Mac Edition

0.52 TFLOPS

GeForce 840M +65%

0.863 TFLOPS

Mobility Radeon HD 5670 Mac Edition

VS

GeForce 840M

Graphics Card

Apr 2010

Release Date

Mar 2014

Manhattan

Generation

GeForce 800M

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1029 MHz

-

Boost Clock

1124 MHz

795 MHz

Memory Clock

1001 MHz

Memory

512MB

Memory Size

2GB

GDDR3

Memory Type

DDR3

128bit

Memory Bus

64bit

25.44GB/s

Bandwidth

16.02GB/s

Render Config

5

Compute Units

-

400

Shading Units

384

20

TMUs

16

8

ROPs

8

-

8 KB (per CU)

L1 Cache

64 KB (per SMM)

256 KB

L2 Cache

1024 KB

-

Theoretical Performance

5.200 GPixel/s

Pixel Rate

8.992 GPixel/s

13.00 GTexel/s

Texture Rate

17.98 GTexel/s

-

520.0 GFLOPS

FP32 (float)

863.2 GFLOPS

-

FP64 (double)

26.98 GFLOPS

Board Design

15W

TDP

33W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Madison

GPU Name

GM108

Madison XT (216-0772003)

GPU Variant

N15S-GT

TeraScale 2

Architecture

Maxwell

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.627 billion

Transistors

Unknown

104 mm²

Die Size

Unknown

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

5.0

Shader Model

5.1

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