AMD Radeon R9 390X vs ATI Radeon HD 4860

VS

AMD Radeon R9 390X

ATI Radeon HD 4860

We compared two Desktop platform GPUs: 8GB VRAM Radeon R9 390X and 512MB VRAM Radeon HD 4860 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 390X 's Advantages

Released 5 years and 9 months late

More VRAM (8GB vs 512GB)

Larger VRAM bandwidth (384.0GB/s vs 96.00GB/s)

2176 additional rendering cores

ATI Radeon HD 4860 's Advantages

Lower TDP (130W vs 275W)

Score

Benchmark

FP32 (float)

Radeon R9 390X +560%

5.914 TFLOPS

Radeon HD 4860

0.896 TFLOPS

Radeon R9 390X

VS

Radeon HD 4860

Graphics Card

Jun 2015

Release Date

Sep 2009

Pirate Islands

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1500 MHz

Memory Clock

750 MHz

Memory

8GB

Memory Size

512MB

GDDR5

Memory Type

GDDR5

512bit

Memory Bus

256bit

384.0GB/s

Bandwidth

96.00GB/s

Render Config

44

Compute Units

8

-

2816

Shading Units

640

176

TMUs

32

64

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

256 KB

-

Theoretical Performance

67.20 GPixel/s

Pixel Rate

11.20 GPixel/s

184.8 GTexel/s

Texture Rate

22.40 GTexel/s

-

5.914 TFLOPS

FP32 (float)

896.0 GFLOPS

739.2 GFLOPS

FP64 (double)

179.2 GFLOPS

Board Design

275W

TDP

130W

600 W

Suggested PSU

300 W

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

Outputs

2x DVI 1x S-Video

1x 6-pin + 1x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

Grenada

GPU Name

RV790

Grenada XT (215-0880004)

GPU Variant

RV790 GT

GCN 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

6.2 billion

Transistors

0.959 billion

438 mm²

Die Size

282 mm²

Graphics Features

12 (12_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.0

OpenCL

1.1

1.2

Vulkan

N/A

-

6.3

Shader Model

4.1

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