NVIDIA GeForce 840A vs AMD Radeon Pro Vega 64X

VS

NVIDIA GeForce 840A

AMD Radeon Pro Vega 64X

We compared two Mobile platform GPUs: 2GB VRAM GeForce 840A and 16GB VRAM Radeon Pro Vega 64X 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 250W)

AMD Radeon Pro Vega 64X 's Advantages

Released 5 years late

Boost Clock has increased by 31% (1468MHz vs 1124MHz)

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (512.0GB/s vs 16.02GB/s)

3712 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 840A

0.863 TFLOPS

Radeon Pro Vega 64X +1293%

12.03 TFLOPS

GeForce 840A

VS

Radeon Pro Vega 64X

Graphics Card

Mar 2014

Release Date

Mar 2019

GeForce 800A

Generation

Radeon Pro Mac

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1029 MHz

Base Clock

1250 MHz

1124 MHz

Boost Clock

1468 MHz

1001 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

16GB

DDR3

Memory Type

HBM2

64bit

Memory Bus

2048bit

16.02GB/s

Bandwidth

512.0GB/s

Render Config

-

Compute Units

64

-

384

Shading Units

4096

16

TMUs

256

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

93.95 GPixel/s

17.98 GTexel/s

Texture Rate

375.8 GTexel/s

-

FP16 (half)

24.05 TFLOPS

863.2 GFLOPS

FP32 (float)

12.03 TFLOPS

26.98 GFLOPS

FP64 (double)

751.6 GFLOPS

Board Design

33W

TDP

250W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

GM108

GPU Name

Vega 10

-

GPU Variant

Vega 10 XT (215-0894200)

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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