AMD Radeon R9 390 X2 vs AMD Radeon R9 270X

VS

AMD Radeon R9 390 X2

AMD Radeon R9 270X

We compared two Desktop platform GPUs: 8GB VRAM Radeon R9 390 X2 and 2GB VRAM Radeon R9 270X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 390 X2 's Advantages

Released 1 years and 11 months late

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (345.6GB/s vs 179.2GB/s)

1280 additional rendering cores

AMD Radeon R9 270X 's Advantages

Boost Clock1050MHz

Lower TDP (180W vs 580W)

Score

Benchmark

FP32 (float)

Radeon R9 390 X2 +90%

5.12 TFLOPS

Radeon R9 270X

2.688 TFLOPS

Radeon R9 390 X2

VS

Radeon R9 270X

Graphics Card

Sep 2015

Release Date

Oct 2013

Pirate Islands

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1000 MHz

-

Boost Clock

1050 MHz

1350 MHz

Memory Clock

1400 MHz

Memory

8GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

512bit

Memory Bus

256bit

345.6GB/s

Bandwidth

179.2GB/s

Render Config

40

Compute Units

20

-

2560

Shading Units

1280

160

TMUs

80

64

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

512 KB

-

Theoretical Performance

64.00 GPixel/s

Pixel Rate

33.60 GPixel/s

160.0 GTexel/s

Texture Rate

84.00 GTexel/s

-

5.120 TFLOPS

FP32 (float)

2.688 TFLOPS

640.0 GFLOPS

FP64 (double)

168.0 GFLOPS

Board Design

580W

TDP

180W

950 W

Suggested PSU

450 W

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

Outputs

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

4x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

Grenada

GPU Name

Curacao

Grenada PRO (215-0880030)

GPU Variant

Curacao XT (215-0848004)

GCN 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

6.2 billion

Transistors

2.8 billion

438 mm²

Die Size

212 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 X2 vs ATI Radeon X1950 XTX Uber Edition

2

AMD Radeon R9 390 X2 vs ATI Radeon X1600 PRO AGP

3

AMD Radeon R9 390 X2 vs AMD Radeon HD 7770 GHz Edition

4

AMD Radeon R9 390 X2 vs ATI FirePro V8700 Duo

5

AMD Radeon R9 390 X2 vs ATI Radeon X1050

6

AMD Radeon R9 390 X2 vs AMD Radeon Pro W6400

7

AMD Radeon R9 390 X2 vs AMD FirePro W7100

8

AMD Radeon R9 390 X2 vs AMD Radeon HD 6670

9

AMD Radeon R9 390 X2 vs AMD FireStream 9270

10

AMD Radeon R9 390 X2 vs ATI FireGL V7600

Related News

1

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

2

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

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

Intel Finally Achieves Frame Generation! 'F1 24' Becomes the First XeSS 2 Game