ATI Radeon HD 3870 Mac Edition vs AMD Radeon RX 8800 XT

VS

ATI Radeon HD 3870 Mac Edition

AMD Radeon RX 8800 XT

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3870 Mac Edition and 16GB VRAM Radeon RX 8800 XT 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

Lower TDP (106W vs 220W)

AMD Radeon RX 8800 XT 's Advantages

Boost Clock2430MHz

More VRAM (16GB vs 512GB)

Larger VRAM bandwidth (624.1GB/s vs 72.06GB/s)

3776 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 3870 Mac Edition

0.497 TFLOPS

Radeon RX 8800 XT +3906%

19.91 TFLOPS

Radeon HD 3870 Mac Edition

VS

Radeon RX 8800 XT

Graphics Card

Jun 2008

Release Date

Unknown

Radeon R600

Generation

Navi IV(RX 8000)

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1295 MHz

-

Boost Clock

2430 MHz

1126 MHz

Memory Clock

2438 MHz

Memory

512MB

Memory Size

16GB

GDDR4

Memory Type

GDDR6

256bit

Memory Bus

256bit

72.06GB/s

Bandwidth

624.1GB/s

Render Config

4

Compute Units

64

-

320

Shading Units

4096

16

TMUs

256

16

ROPs

96

-

RT Cores

64

-

L1 Cache

128 KB per Array

256 KB

L2 Cache

4 MB

-

L3 Cache

64 MB

Theoretical Performance

12.43 GPixel/s

Pixel Rate

233.3 GPixel/s

12.43 GTexel/s

Texture Rate

622.1 GTexel/s

-

FP16 (half)

39.81 TFLOPS

497.3 GFLOPS

FP32 (float)

19.91 TFLOPS

99.46 GFLOPS

FP64 (double)

622.1 GFLOPS

Board Design

106W

TDP

220W

300 W

Suggested PSU

550 W

2x DVI 1x S-Video

Outputs

1x HDMI 2.1a3x DisplayPort 2.1

1x 6-pin

Power Connectors

2x 8-pin

Graphics Processor

RV670

GPU Name

Navi 48

RV670 XT (215-0708005)

GPU Variant

Navi 48 XT

TeraScale

Architecture

RDNA 4.0

TSMC

Foundry

TSMC

55 nm

Process Size

4 nm

0.666 billion

Transistors

Unknown

192 mm²

Die Size

Unknown

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

6.8

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