ATI Radeon HD 3870 Mac Edition vs AMD Radeon RX 6300

VS

ATI Radeon HD 3870 Mac Edition

AMD Radeon RX 6300

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3870 Mac Edition and 2GB VRAM Radeon RX 6300 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 3870 Mac Edition 's Advantages

Larger VRAM bandwidth (72.06GB/s vs 64.00GB/s)

AMD Radeon RX 6300 's Advantages

Boost Clock2040MHz

More VRAM (2GB vs 512GB)

448 additional rendering cores

Lower TDP (32W vs 106W)

Score

Benchmark

FP32 (float)

Radeon HD 3870 Mac Edition

0.497 TFLOPS

Radeon RX 6300 +530%

3.133 TFLOPS

Radeon HD 3870 Mac Edition

VS

Radeon RX 6300

Graphics Card

Jun 2008

Release Date

Unknown

Radeon R600

Generation

Navi II

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x4

Clock Speeds

-

Base Clock

1000 MHz

-

Boost Clock

2040 MHz

1126 MHz

Memory Clock

2000 MHz

Memory

512MB

Memory Size

2GB

GDDR4

Memory Type

GDDR6

256bit

Memory Bus

32bit

72.06GB/s

Bandwidth

64.00GB/s

Render Config

4

Compute Units

12

-

320

Shading Units

768

16

TMUs

48

16

ROPs

32

-

RT Cores

12

-

L1 Cache

128 KB per Array

256 KB

L2 Cache

1024 KB

-

L3 Cache

8 MB

Theoretical Performance

12.43 GPixel/s

Pixel Rate

65.28 GPixel/s

12.43 GTexel/s

Texture Rate

97.92 GTexel/s

-

FP16 (half)

6.267 TFLOPS

497.3 GFLOPS

FP32 (float)

3.133 TFLOPS

99.46 GFLOPS

FP64 (double)

195.8 GFLOPS

Board Design

106W

TDP

32W

300 W

Suggested PSU

200 W

2x DVI 1x S-Video

Outputs

2x HDMI 2.1

1x 6-pin

Power Connectors

None

Graphics Processor

RV670

GPU Name

Navi 24

RV670 XT (215-0708005)

GPU Variant

Navi 24 XL

TeraScale

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

55 nm

Process Size

6 nm

0.666 billion

Transistors

5.4 billion

192 mm²

Die Size

107 mm²

Graphics Features

10.1 (10_1)

DirectX

12 Ultimate (12_2)

3.3 (full) 4.0 (partial)

OpenGL

4.6

N/A

OpenCL

2.2

N/A

Vulkan

1.3

-

4.1

Shader Model

6.7

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