AMD Radeon R9 390 vs AMD Radeon HD 8990 OEM

VS

AMD Radeon R9 390

AMD Radeon HD 8990 OEM

We compared two Desktop platform GPUs: 8GB VRAM Radeon R9 390 and 3GB VRAM Radeon HD 8990 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 390 's Advantages

Released 2 years and 2 months late

More VRAM (8GB vs 3GB)

Larger VRAM bandwidth (384.0GB/s vs 288.0GB/s)

512 additional rendering cores

Lower TDP (275W vs 375W)

AMD Radeon HD 8990 OEM 's Advantages

Boost Clock1000MHz

Score

Benchmark

FP32 (float)

Radeon R9 390 +25%

5.12 TFLOPS

Radeon HD 8990 OEM

4.096 TFLOPS

Radeon R9 390

VS

Radeon HD 8990 OEM

Graphics Card

Jun 2015

Release Date

Apr 2013

Pirate Islands

Generation

Sea Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

950 MHz

-

Boost Clock

1000 MHz

1500 MHz

Memory Clock

1500 MHz

Memory

8GB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

512bit

Memory Bus

384bit

384.0GB/s

Bandwidth

288.0GB/s

Render Config

40

Compute Units

32

-

2560

Shading Units

2048

160

TMUs

128

64

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

768 KB

-

Theoretical Performance

64.00 GPixel/s

Pixel Rate

32.00 GPixel/s

160.0 GTexel/s

Texture Rate

128.0 GTexel/s

-

5.120 TFLOPS

FP32 (float)

4.096 TFLOPS

640.0 GFLOPS

FP64 (double)

1024 GFLOPS

Board Design

275W

TDP

375W

600 W

Suggested PSU

750 W

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

Outputs

1x DVI 4x mini-DisplayPort 1.2

1x 6-pin + 1x 8-pin

Power Connectors

2x 8-pin

Graphics Processor

Grenada

GPU Name

Malta

Grenada PRO (215-0880030)

GPU Variant

Malta XT (215-0849026)

GCN 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

6.2 billion

Transistors

4.313 billion

438 mm²

Die Size

365 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.0

OpenCL

1.2

Vulkan

1.2

-

6.3

Shader Model

5.1

Related GPU Comparisons

1

AMD Radeon R9 390 vs AMD Radeon HD 6230

2

AMD Radeon R9 390 vs NVIDIA GeForce GTX 1080 Ti 10 GB

3

AMD Radeon R9 390 vs NVIDIA GeForce 9400 GT Rev. 3

4

AMD Radeon R9 390 vs 3dfx Voodoo4-2 4200 PCI 16 MB

5

AMD Radeon R9 390 vs NVIDIA GeForce RTX 4050

6

AMD Radeon R9 390 vs AMD Radeon HD 7790

7

AMD Radeon R9 390 vs NVIDIA GeForce GT 330 OEM

8

AMD Radeon R9 390 vs NVIDIA GeForce GTX 570 Rev. 2

9

AMD Radeon R9 390 vs NVIDIA GeForce GTX 280

10

AMD Radeon R9 390 vs AMD Radeon RX 5700

Related News

1

The Commencement of ARM and Qualcomm Licensing Dispute Trial: Potential Major Impact on PC Market

2

NVIDIA Allegedly Equips RTX 5080 with 30Gbps Memory Speed, Other Models to Feature 28Gbps

3

Intel Reports High Return Rates for Devices Featuring Snapdragon X Series; Qualcomm Counters with 'Industry Standard' Claim

4

Intel Confirms Panther Lake Adopts 18A Process, ES0 Samples Already Sent to Customers

5

Complete Lineup of Core Ultra 200HX/H/U and Core 200H/U Revealed: 31 Models to Dazzle the Eyes

6

Amechi Unveils V1 Mini PC: Only 0.33L Volume with 150W Power Consumption

7

iPhone 17 Series Set for Major Design Overhaul: Camera Module Transformed into Sleek Strip

8

The Thinnest iPhone Ever! iPhone 17 Air Reportedly Enters Foxconn's NPI Stage

9

Apple Allegedly Cancels M4 Extreme, Originally Planned for Mac Pro with 64-Core CPU and 160-Core GPU

10

Cyberpunk 2077 Update 2.2: Intel Arrow Lake Gaming Performance Soars by 33%!