NVIDIA GeForce 840A vs AMD Radeon RX Vega 56 Mobile

VS

NVIDIA GeForce 840A

AMD Radeon RX Vega 56 Mobile

We compared two Mobile platform GPUs: 2GB VRAM GeForce 840A and 8GB VRAM Radeon RX Vega 56 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 840A 's Advantages

Lower TDP (33W vs 120W)

AMD Radeon RX Vega 56 Mobile 's Advantages

Released 4 years and 3 months late

Boost Clock has increased by 16% (1301MHz vs 1124MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (409.6GB/s vs 16.02GB/s)

3200 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 840A

0.863 TFLOPS

Radeon RX Vega 56 Mobile +980%

9.326 TFLOPS

GeForce 840A

VS

Radeon RX Vega 56 Mobile

Graphics Card

Mar 2014

Release Date

Jun 2018

GeForce 800A

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1029 MHz

Base Clock

1138 MHz

1124 MHz

Boost Clock

1301 MHz

1001 MHz

Memory Clock

800 MHz

Memory

2GB

Memory Size

8GB

DDR3

Memory Type

HBM2

64bit

Memory Bus

2048bit

16.02GB/s

Bandwidth

409.6GB/s

Render Config

-

Compute Units

56

-

384

Shading Units

3584

16

TMUs

224

8

ROPs

64

-

64 KB (per SMM)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

4 MB

-

Theoretical Performance

8.992 GPixel/s

Pixel Rate

83.26 GPixel/s

17.98 GTexel/s

Texture Rate

291.4 GTexel/s

-

FP16 (half)

18.65 TFLOPS

863.2 GFLOPS

FP32 (float)

9.326 TFLOPS

26.98 GFLOPS

FP64 (double)

582.8 GFLOPS

Board Design

33W

TDP

120W

-

No outputs

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

-

Power Connectors

None

Graphics Processor

GM108

GPU Name

Vega 10

-

GPU Variant

Vega 10 XL (215-0894216)

Maxwell

Architecture

GCN 5.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

Unknown

Transistors

12.5 billion

Unknown

Die Size

495 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_1)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.3

Vulkan

1.2

5.0

CUDA

-

5.1

Shader Model

6.4

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