AMD Radeon Pro 580X vs NVIDIA GeForce 840M

VS

AMD Radeon Pro 580X

NVIDIA GeForce 840M

We compared two Mobile platform GPUs: 8GB VRAM Radeon Pro 580X and 2GB VRAM GeForce 840M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro 580X 's Advantages

Released 5 years late

Boost Clock has increased by 7% (1200MHz vs 1124MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (218.9GB/s vs 16.02GB/s)

1920 additional rendering cores

NVIDIA GeForce 840M 's Advantages

Lower TDP (33W vs 185W)

Score

Benchmark

FP32 (float)

Radeon Pro 580X +540%

5.53 TFLOPS

GeForce 840M

0.863 TFLOPS

Blender

Radeon Pro 580X +398%

334

GeForce 840M

67

Radeon Pro 580X

VS

GeForce 840M

Graphics Card

Mar 2019

Release Date

Mar 2014

Radeon Pro Mac

Generation

GeForce 800M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

1100 MHz

Base Clock

1029 MHz

1200 MHz

Boost Clock

1124 MHz

1710 MHz

Memory Clock

1001 MHz

Memory

8GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

64bit

218.9GB/s

Bandwidth

16.02GB/s

Render Config

36

Compute Units

-

2304

Shading Units

384

144

TMUs

16

32

ROPs

8

-

16 KB (per CU)

L1 Cache

64 KB (per SMM)

2 MB

L2 Cache

1024 KB

-

Theoretical Performance

38.40 GPixel/s

Pixel Rate

8.992 GPixel/s

172.8 GTexel/s

Texture Rate

17.98 GTexel/s

5.530 TFLOPS

FP16 (half)

-

5.530 TFLOPS

FP32 (float)

863.2 GFLOPS

345.6 GFLOPS

FP64 (double)

26.98 GFLOPS

Board Design

185W

TDP

33W

-

2x HDMI 2.0b

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Ellesmere

GPU Name

GM108

Ellesmere XTA (216-0886220)

GPU Variant

N15S-GT

GCN 4.0

Architecture

Maxwell

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

5.7 billion

Transistors

Unknown

232 mm²

Die Size

Unknown

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

5.0

6.4

Shader Model

5.1

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