Hd 4870 Drivers For Mac

02.02.2020

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Hd 4870 Drivers For Mac Rom
Best External Hd For Mac

Find great deals on eBay for ati radeon hd 4870 mac. Windows usb device drivers. Shop with confidence. Among the many changes in Mac OS X 10.5.7, released Tuesday, is one sure to please Mac Pro owners — support for ATI’s Radeon HD 4870 card.

Cores

800

ROPs

Memory Type

GDDR5

Recommended Resolutions:

640x480
1280x720
1366x768
1600x900
1920x1080
2560x1440
3840x2160

The Radeon HD 4870 Mac Edition was a graphics card by ATI, launched in January 2009. Built on the 55 nm process, and based on the RV770 graphics processor, in its RV770 XT Mac variant, the card supports DirectX 10.1. The RV770 graphics processor is an average sized chip with a die area of 256 mm² and 956 million transistors. It features 800 shading units, 40 texture mapping units and 16 ROPs. ATI has placed 512 MB GDDR5 memory on the card, which are connected using a 256-bit memory interface. The GPU is operating at a frequency of 750 MHz, memory is running at 850 MHz.
Being a dual-slot card, the ATI Radeon HD 4870 Mac Edition draws power from 2x 6-pin power connectors, with power draw rated at 150 W maximum. Display outputs include: 1x DVI, 1x mini-DisplayPort. Radeon HD 4870 Mac Edition is connected to the rest of the system using a PCI-Express 2.0 x16 interface. The card measures 250 mm in length, and features a dual-slot cooling solution.

Graphics Processor

GPU Name: RV770

GPU Variant: RV770 XT Mac
(215-0669080)

Architecture: TeraScale

Foundry: TSMC

Process Size: 55 nm

Transistors: 956 million

Die Size: 256 mm²

Graphics Card

Release Date: Jan 6th, 2009

Generation: Radeon R700
(HD 4800)

Production: End-of-life

Bus Interface: PCIe 2.0 x16

Reviews: 135 in our database

Relative Performance

Radeon HD 4870 Mac Edition

Based on TPU review data: 'Performance Summary' at 1920x1080

Performance estimated based on architecture, shader count and clocks.

Clock Speeds

GPU Clock: 750 MHz

Memory Clock: 850 MHz
3400 MHz effective

Memory

Memory Size: 512 MB

Memory Type: GDDR5

Memory Bus: 256 bit

Bandwidth: 108.8 GB/s

Render Config

Shading Units: 800

TMUs: 40

ROPs: 16

Compute Units: 10

L1 Cache: 16 KB (per CU)

L2 Cache: 256 KB

Theoretical Performance

Pixel Rate: 12.00 GPixel/s

Texture Rate: 30.00 GTexel/s

FP32 (float) performance: 1,200 GFLOPS

FP64 (double) performance: 240.0 GFLOPS (1:5)

Board Design

Slot Width: Dual-slot

Length: 9.84 inches
250 mm

TDP: 150 W

Outputs: 1x DVI
1x mini-DisplayPort

Power Connectors: 2x 6-pin

Board Number: B771