AMD Radeon RX 640 Mobile vs ATI Mobility Radeon X1900

VS

AMD Radeon RX 640 Mobile ATI Mobility Radeon X1900

We compared two Mobile platform GPUs: 2GB VRAM Radeon RX 640 Mobile and 256MB VRAM Mobility Radeon X1900 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 640 Mobile 's Advantages

Released 12 years and 4 months late

Boost Clock1218MHz

Larger VRAM bandwidth (48.00GB/s vs 30.08GB/s)

640 additional rendering cores

Score

Radeon RX 640 Mobile

VS

Mobility Radeon X1900

Graphics Card

May 2019

Release Date

Jan 2007

Mobility Radeon

Generation

M6x

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-III

Clock Speeds

1082 MHz

Base Clock

-

1218 MHz

Boost Clock

-

1500 MHz

Memory Clock

470 MHz

Memory

2GB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

64bit

Memory Bus

256bit

48.00GB/s

Bandwidth

30.08GB/s

Render Config

-

SM Count

-

10

Compute Units

-

640

Shading Units

-

40

TMUs

12

16

ROPs

12

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

-

Theoretical Performance

19.49 GPixel/s

Pixel Rate

4.800 GPixel/s

48.72 GTexel/s

Texture Rate

4.800 GTexel/s

1.559 TFLOPS

FP16 (half)

-

1.559 TFLOPS

FP32 (float)

-

97.44 GFLOPS

FP64 (double)

-

Graphics Processor

Polaris 23

GPU Name

M68

Polaris 23 XT

GPU Variant

-

GCN 4.0

Architecture

Ultra-Threaded SE

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

80 nm

2.2 billion

Transistors

0.312 billion

103 mm²

Die Size

230 mm²

Board Design

50W

TDP

Unknown

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Features

12 (12_0)

DirectX

9.0c (9_3)

4.6

OpenGL

2.1

OpenCL

N/A

1.2

Vulkan

N/A

-

CUDA

-

6.4

Shader Model

3.0

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