AMD Radeon RX 640 Mobile vs NVIDIA GeForce G105M

VS

AMD Radeon RX 640 Mobile

NVIDIA GeForce G105M

We compared two Mobile platform GPUs: 2GB VRAM Radeon RX 640 Mobile and 256MB VRAM GeForce G105M 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 9 years and 10 months late

Boost Clock1218MHz

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (48.00GB/s vs 11.20GB/s)

624 additional rendering cores

NVIDIA GeForce G105M 's Advantages

Lower TDP (14W vs 50W)

Score

Benchmark

FP32 (float)

Radeon RX 640 Mobile +4485%

1.559 TFLOPS

GeForce G105M

0.034 TFLOPS

Radeon RX 640 Mobile

VS

GeForce G105M

Graphics Card

May 2019

Release Date

Jul 2009

Mobility Radeon

Generation

GeForce 100M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

1082 MHz

Base Clock

-

1218 MHz

Boost Clock

-

1500 MHz

Memory Clock

700 MHz

Memory

2GB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

64bit

Memory Bus

64bit

48.00GB/s

Bandwidth

11.20GB/s

Render Config

10

Compute Units

-

SM Count

2

640

Shading Units

16

40

TMUs

8

16

ROPs

4

-

16 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

32 KB

-

Theoretical Performance

19.49 GPixel/s

Pixel Rate

2.000 GPixel/s

48.72 GTexel/s

Texture Rate

4.000 GTexel/s

1.559 TFLOPS

FP16 (half)

-

1.559 TFLOPS

FP32 (float)

34.24 GFLOPS

97.44 GFLOPS

FP64 (double)

-

Board Design

50W

TDP

14W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Polaris 23

GPU Name

GT218

Polaris 23 XT

GPU Variant

GT218-300-A2

GCN 4.0

Architecture

Tesla 2.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

2.2 billion

Transistors

0.26 billion

103 mm²

Die Size

57 mm²

Graphics Features

12 (12_0)

DirectX

11.1 (10_1)

4.6

OpenGL

3.3

2.1

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

1.2

6.4

Shader Model

4.1

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