AMD Radeon RX 6300M vs NVIDIA GeForce GT 640M Mac Edition

VS

AMD Radeon RX 6300M

NVIDIA GeForce GT 640M Mac Edition

We compared two Mobile platform GPUs: 2GB VRAM Radeon RX 6300M and 512MB VRAM GeForce GT 640M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6300M 's Advantages

Released 8 years and 11 months late

Boost Clock2400MHz

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (72.00GB/s vs 40.00GB/s)

384 additional rendering cores

NVIDIA GeForce GT 640M Mac Edition 's Advantages

Lower TDP (32W vs 35W)

Score

Benchmark

FP32 (float)

Radeon RX 6300M +544%

3.686 TFLOPS

GeForce GT 640M Mac Edition

0.572 TFLOPS

Radeon RX 6300M

VS

GeForce GT 640M Mac Edition

Graphics Card

Jan 2022

Release Date

Feb 2013

Mobility Radeon

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 4.0 x4

Bus Interface

PCIe 3.0 x16

Clock Speeds

2000 MHz

Base Clock

-

2400 MHz

Boost Clock

-

2250 MHz

Memory Clock

1250 MHz

Memory

2GB

Memory Size

512MB

GDDR6

Memory Type

GDDR5

32bit

Memory Bus

64bit

72.00GB/s

Bandwidth

40.00GB/s

Render Config

12

Compute Units

-

768

Shading Units

384

48

TMUs

32

ROPs

8

-

12

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per SMX)

1024 KB

L2 Cache

128 KB

8 MB

L3 Cache

-

Theoretical Performance

76.80 GPixel/s

Pixel Rate

5.960 GPixel/s

115.2 GTexel/s

Texture Rate

23.84 GTexel/s

7.373 TFLOPS

FP16 (half)

-

3.686 TFLOPS

FP32 (float)

572.2 GFLOPS

230.4 GFLOPS

FP64 (double)

23.84 GFLOPS

Board Design

35W

TDP

32W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Navi 24

GPU Name

GK107

Navi 24 XML

GPU Variant

N13P-GS

RDNA 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

6 nm

Process Size

28 nm

5.4 billion

Transistors

1.27 billion

107 mm²

Die Size

118 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.2

OpenCL

3.0

1.3

Vulkan

1.1

-

CUDA

3.0

6.6

Shader Model

5.1

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