ATI Radeon HD 3870 Mac Edition vs AMD Radeon RX 7990 XTX

VS

ATI Radeon HD 3870 Mac Edition

AMD Radeon RX 7990 XTX

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3870 Mac Edition and 24GB VRAM Radeon RX 7990 XTX 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 405W)

AMD Radeon RX 7990 XTX 's Advantages

Boost Clock3599MHz

More VRAM (24GB vs 512GB)

Larger VRAM bandwidth (1152GB/s vs 72.06GB/s)

5824 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 3870 Mac Edition

0.497 TFLOPS

Radeon RX 7990 XTX +17696%

88.45 TFLOPS

Radeon HD 3870 Mac Edition

VS

Radeon RX 7990 XTX

Graphics Card

Jun 2008

Release Date

Unknown

Radeon R600

Generation

Navi III

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

2500 MHz

-

Boost Clock

3599 MHz

1126 MHz

Memory Clock

3000 MHz

Memory

512MB

Memory Size

24GB

GDDR4

Memory Type

GDDR6

256bit

Memory Bus

384bit

72.06GB/s

Bandwidth

1152GB/s

Render Config

4

Compute Units

96

-

320

Shading Units

6144

16

TMUs

384

16

ROPs

192

-

RT Cores

96

-

L1 Cache

256 KB per Array

256 KB

L2 Cache

6 MB

-

L3 Cache

192 MB

Theoretical Performance

12.43 GPixel/s

Pixel Rate

691.0 GPixel/s

12.43 GTexel/s

Texture Rate

1382 GTexel/s

-

FP16 (half)

176.9 TFLOPS

497.3 GFLOPS

FP32 (float)

88.45 TFLOPS

99.46 GFLOPS

FP64 (double)

2.764 TFLOPS

Board Design

106W

TDP

405W

300 W

Suggested PSU

800 W

2x DVI 1x S-Video

Outputs

1x HDMI 2.1a 2x DisplayPort 2.1 1x USB Type-C

1x 6-pin

Power Connectors

3x 8-pin

Graphics Processor

RV670

GPU Name

Navi 31

RV670 XT (215-0708005)

GPU Variant

Navi 31 XTX+

TeraScale

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

55 nm

Process Size

5 nm

0.666 billion

Transistors

57.7 billion

192 mm²

Die Size

529 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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