AMD Radeon RX 6300M vs AMD Radeon HD 7850M

VS

AMD Radeon RX 6300M

AMD Radeon HD 7850M

We compared two Mobile platform GPUs: 2GB VRAM Radeon RX 6300M and 2GB VRAM Radeon HD 7850M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6300M 's Advantages

Released 9 years and 9 months late

Boost Clock2400MHz

Larger VRAM bandwidth (72.00GB/s vs 64.00GB/s)

128 additional rendering cores

Lower TDP (35W vs 40W)

Score

Benchmark

FP32 (float)

Radeon RX 6300M +326%

3.686 TFLOPS

Radeon HD 7850M

0.864 TFLOPS

Radeon RX 6300M

VS

Radeon HD 7850M

Graphics Card

Jan 2022

Release Date

Apr 2012

Mobility Radeon

Generation

London

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

1000 MHz

Memory

2GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

32bit

Memory Bus

128bit

72.00GB/s

Bandwidth

64.00GB/s

Render Config

12

Compute Units

10

-

768

Shading Units

640

48

TMUs

40

32

ROPs

16

-

12

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

256 KB

8 MB

L3 Cache

-

Theoretical Performance

76.80 GPixel/s

Pixel Rate

10.80 GPixel/s

115.2 GTexel/s

Texture Rate

27.00 GTexel/s

7.373 TFLOPS

FP16 (half)

-

3.686 TFLOPS

FP32 (float)

864.0 GFLOPS

230.4 GFLOPS

FP64 (double)

54.00 GFLOPS

Board Design

35W

TDP

40W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Navi 24

GPU Name

Heathrow

Navi 24 XML

GPU Variant

Heathrow PRO

RDNA 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

6 nm

Process Size

28 nm

5.4 billion

Transistors

1.5 billion

107 mm²

Die Size

123 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.2

OpenCL

1.2

1.3

Vulkan

1.2

-

6.6

Shader Model

5.1

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