AMD Radeon RX Vega 56 Mobile vs AMD Radeon RX 640 Mobile

VS

AMD Radeon RX Vega 56 Mobile AMD Radeon RX 640 Mobile

We compared two Mobile platform GPUs: 8GB VRAM Radeon RX Vega 56 Mobile and 2GB VRAM Radeon RX 640 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX Vega 56 Mobile 's Advantages

Boost Clock has increased by 7% (1301MHz vs 1218MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (409.6GB/s vs 48.00GB/s)

2944 additional rendering cores

AMD Radeon RX 640 Mobile 's Advantages

Released 11 months late

Lower TDP (50W vs 120W)

Score

Benchmark

FP32 (float)

Radeon RX Vega 56 Mobile +498%

9.326 TFLOPS

Radeon RX 640 Mobile

1.559 TFLOPS

Radeon RX Vega 56 Mobile

VS

Radeon RX 640 Mobile

Graphics Card

Jun 2018

Release Date

May 2019

Mobility Radeon

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

1138 MHz

Base Clock

1082 MHz

1301 MHz

Boost Clock

1218 MHz

800 MHz

Memory Clock

1500 MHz

Memory

8GB

Memory Size

2GB

HBM2

Memory Type

GDDR5

2048bit

Memory Bus

64bit

409.6GB/s

Bandwidth

48.00GB/s

Render Config

-

SM Count

-

56

Compute Units

10

3584

Shading Units

640

224

TMUs

40

64

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

512 KB

Theoretical Performance

83.26 GPixel/s

Pixel Rate

19.49 GPixel/s

291.4 GTexel/s

Texture Rate

48.72 GTexel/s

18.65 TFLOPS

FP16 (half)

1.559 TFLOPS

9.326 TFLOPS

FP32 (float)

1.559 TFLOPS

582.8 GFLOPS

FP64 (double)

97.44 GFLOPS

Graphics Processor

Vega 10

GPU Name

Polaris 23

Vega 10 XL (215-0894216)

GPU Variant

Polaris 23 XT

GCN 5.0

Architecture

GCN 4.0

GlobalFoundries

Foundry

GlobalFoundries

14 nm

Process Size

14 nm

12.5 billion

Transistors

2.2 billion

495 mm²

Die Size

103 mm²

Board Design

120W

TDP

50W

-

Suggested PSU

-

1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

No outputs

None

Power Connectors

None

Graphics Features

12 (12_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.2

Vulkan

1.2

-

CUDA

-

6.4

Shader Model

6.4

Related GPU Comparisons

1

AMD Radeon RX Vega 56 Mobile vs AMD Radeon Pro Vega 56

2

AMD Radeon RX Vega 56 Mobile vs ATI Mobility Radeon HD 2400 XT

3

AMD Radeon Pro Vega 16 vs AMD Radeon RX Vega 56 Mobile

4

NVIDIA GeForce MX450 30.5W 8Gbps vs AMD Radeon RX Vega 56 Mobile

5

AMD Radeon RX Vega 56 Mobile vs NVIDIA GeForce GTX 660M Mac Edition

6

AMD Radeon RX Vega 56 Mobile vs AMD Radeon HD 8570M

7

NVIDIA RTX A5000 Max-Q vs AMD Radeon RX Vega 56 Mobile

8

AMD Radeon RX Vega 56 Mobile vs NVIDIA GeForce 840A

9

AMD Radeon RX Vega 56 Mobile vs NVIDIA NVS 5400M

10

AMD Radeon RX Vega 56 Mobile vs ATI Mobility Radeon HD 550v