ATI Radeon HD 4860 vs AMD Radeon R9 390 X2

VS

ATI Radeon HD 4860

AMD Radeon R9 390 X2

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4860 and 8GB VRAM Radeon R9 390 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4860 's Advantages

Lower TDP (130W vs 580W)

AMD Radeon R9 390 X2 's Advantages

Released 6 years late

More VRAM (8GB vs 512GB)

Larger VRAM bandwidth (345.6GB/s vs 96.00GB/s)

1920 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 4860

0.896 TFLOPS

Radeon R9 390 X2 +471%

5.12 TFLOPS

Radeon HD 4860

VS

Radeon R9 390 X2

Graphics Card

Sep 2009

Release Date

Sep 2015

Radeon R700

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

750 MHz

Memory Clock

1350 MHz

Memory

512MB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

512bit

96.00GB/s

Bandwidth

345.6GB/s

Render Config

8

Compute Units

40

-

640

Shading Units

2560

32

TMUs

160

16

ROPs

64

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

1024 KB

-

Theoretical Performance

11.20 GPixel/s

Pixel Rate

64.00 GPixel/s

22.40 GTexel/s

Texture Rate

160.0 GTexel/s

-

896.0 GFLOPS

FP32 (float)

5.120 TFLOPS

179.2 GFLOPS

FP64 (double)

640.0 GFLOPS

Board Design

130W

TDP

580W

300 W

Suggested PSU

950 W

2x DVI 1x S-Video

Outputs

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

2x 6-pin

Power Connectors

4x 8-pin

Graphics Processor

RV790

GPU Name

Grenada

RV790 GT

GPU Variant

Grenada PRO (215-0880030)

TeraScale

Architecture

GCN 2.0

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.959 billion

Transistors

6.2 billion

282 mm²

Die Size

438 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (12_0)

3.3

OpenGL

4.6

1.1

OpenCL

2.0

N/A

Vulkan

1.2

-

4.1

Shader Model

6.3

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