AMD Radeon RX 640 Mobile vs AMD Radeon Pro Vega 48

VS

AMD Radeon RX 640 Mobile AMD Radeon Pro Vega 48

We compared two Mobile platform GPUs: 2GB VRAM Radeon RX 640 Mobile and 8GB VRAM Radeon Pro Vega 48 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 640 Mobile 's Advantages

Boost Clock1218MHz

AMD Radeon Pro Vega 48 's Advantages

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (402.4GB/s vs 48.00GB/s)

2432 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 640 Mobile

1.559 TFLOPS

Radeon Pro Vega 48 +372%

7.373 TFLOPS

Radeon RX 640 Mobile

VS

Radeon Pro Vega 48

Graphics Card

May 2019

Release Date

Mar 2019

Mobility Radeon

Generation

Radeon Pro Mac

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1082 MHz

Base Clock

-

1218 MHz

Boost Clock

-

1500 MHz

Memory Clock

786 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

HBM2

64bit

Memory Bus

2048bit

48.00GB/s

Bandwidth

402.4GB/s

Render Config

-

SM Count

-

10

Compute Units

48

640

Shading Units

3072

40

TMUs

192

16

ROPs

64

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

4 MB

Theoretical Performance

19.49 GPixel/s

Pixel Rate

76.80 GPixel/s

48.72 GTexel/s

Texture Rate

230.4 GTexel/s

1.559 TFLOPS

FP16 (half)

14.75 TFLOPS

1.559 TFLOPS

FP32 (float)

7.373 TFLOPS

97.44 GFLOPS

FP64 (double)

460.8 GFLOPS

Graphics Processor

Polaris 23

GPU Name

Vega 10

Polaris 23 XT

GPU Variant

Vega 10 PRO

GCN 4.0

Architecture

GCN 5.0

GlobalFoundries

Foundry

GlobalFoundries

14 nm

Process Size

14 nm

2.2 billion

Transistors

12.5 billion

103 mm²

Die Size

495 mm²

Board Design

50W

TDP

Unknown

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Features

12 (12_0)

DirectX

12 (12_1)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.2

Vulkan

1.3

-

CUDA

-

6.4

Shader Model

6.7

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