ATI Radeon HD 4860

This is a GPU manufactured with TSMC 55nm process, based on ATI TeraScale architecture and released on Sep 2009. It features 0.959 billion transistors, 640 Rendering cores and 512MB GDDR5 memory, with 256KB L2 cache, theoretical performance of 896.0GFLOPS, with total power consumption of 130W.

Graphics Card

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Release Date

Sep 2009

Generation

Radeon R700

Type

Desktop

Bus Interface

PCIe 2.0 x16

Clock Speeds

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Memory Clock

750 MHz

Memory

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Memory Size

512MB

Memory Type

GDDR5

Memory Bus

256bit

Bandwidth

96.00GB/s

Render Config

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Compute Units

8

Shading Units

640

TMUs

32

ROPs

16

L1 Cache

16 KB (per CU)

L2 Cache

256 KB

Theoretical Performance

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Pixel Rate

11.20 GPixel/s

Texture Rate

22.40 GTexel/s

FP32 (float)

896.0 GFLOPS

FP64 (double)

179.2 GFLOPS

Graphics Processor

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GPU Name

RV790

GPU Variant

RV790 GT

Architecture

TeraScale

Foundry

TSMC

Process Size

55 nm

Transistors

0.959 billion

Die Size

282 mm²

Board Design

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TDP

130W

Suggested PSU

300 W

Outputs

2x DVI
1x S-Video

Power Connectors

2x 6-pin

Graphics Features

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DirectX

10.1 (10_1)

OpenGL

3.3

OpenCL

1.1

Vulkan

N/A

Shader Model

4.1

Rankings

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FP32 (float)

NVIDIA GeForce GTX 460 768 MB GDDR5

0.907 TFLOPS

NVIDIA GeForce 845M 2 GB GDDR5

0.903 TFLOPS

AMD Radeon Graphics 320SP System Shared System Shared

0.896 TFLOPS

ATI Radeon HD 4860 512 MB GDDR5

0.896 TFLOPS

NVIDIA GeForce GT 645 OEM 1024 MB GDDR5

0.894 TFLOPS

Intel UHD Graphics 48EU System Shared System Shared

0.883 TFLOPS

Intel Iris Plus Graphics 650 System Shared System Shared

0.883 TFLOPS

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