AMD Radeon R9 390X vs AMD Radeon HD 6770

VS

AMD Radeon R9 390X

AMD Radeon HD 6770

We compared two Desktop platform GPUs: 8GB VRAM Radeon R9 390X and 1024MB VRAM Radeon HD 6770 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 390X 's Advantages

Released 4 years and 5 months late

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (384.0GB/s vs 76.80GB/s)

2016 additional rendering cores

AMD Radeon HD 6770 's Advantages

Lower TDP (108W vs 275W)

Score

Benchmark

FP32 (float)

Radeon R9 390X +334%

5.914 TFLOPS

Radeon HD 6770

1.36 TFLOPS

Radeon R9 390X

VS

Radeon HD 6770

Graphics Card

Jun 2015

Release Date

Jan 2011

Pirate Islands

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1500 MHz

Memory Clock

1200 MHz

Memory

8GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

512bit

Memory Bus

128bit

384.0GB/s

Bandwidth

76.80GB/s

Render Config

44

Compute Units

10

-

2816

Shading Units

800

176

TMUs

40

64

ROPs

16

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

1024 KB

L2 Cache

256 KB

-

Theoretical Performance

67.20 GPixel/s

Pixel Rate

13.60 GPixel/s

184.8 GTexel/s

Texture Rate

34.00 GTexel/s

-

5.914 TFLOPS

FP32 (float)

1360 GFLOPS

739.2 GFLOPS

FP64 (double)

-

Board Design

275W

TDP

108W

600 W

Suggested PSU

300 W

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

Outputs

2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

Grenada

GPU Name

Juniper

Grenada XT (215-0880004)

GPU Variant

Juniper XT (215-0754013)

GCN 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

6.2 billion

Transistors

1.04 billion

438 mm²

Die Size

166 mm²

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.0

OpenCL

1.2

Vulkan

N/A

-

6.3

Shader Model

5.0

Related GPU Comparisons

1

AMD Radeon R9 390X vs NVIDIA Quadro FX 540

2

AMD Radeon R9 390X vs NVIDIA GeForce RTX 4070 Ti SUPER

3

AMD Radeon R9 390X vs NVIDIA GeForce RTX 4070 10 GB

4

AMD Radeon R9 390X vs MTT S50

5

AMD Radeon R9 390X vs AMD Radeon R7 340 OEM

6

AMD Radeon R9 390X vs AMD Radeon RX 6600 XT

7

AMD Radeon R9 390X vs NVIDIA GeForce GTX 760 OEM

8

AMD Radeon R9 390X vs AMD Radeon HD 7990

9

AMD Radeon R9 390X vs AMD Radeon RX 590 GME

10

AMD Radeon R9 390X vs AMD Radeon R5 435 OEM

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%!