AMD Radeon R9 390 vs ATI Radeon HD 3470

VS

AMD Radeon R9 390

ATI Radeon HD 3470

We compared two Desktop platform GPUs: 8GB VRAM Radeon R9 390 and 256MB VRAM Radeon HD 3470 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 390 's Advantages

Released 7 years and 5 months late

More VRAM (8GB vs 256GB)

Larger VRAM bandwidth (384.0GB/s vs 15.20GB/s)

2520 additional rendering cores

ATI Radeon HD 3470 's Advantages

Lower TDP (30W vs 275W)

Score

Benchmark

FP32 (float)

Radeon R9 390 +7900%

5.12 TFLOPS

Radeon HD 3470

0.064 TFLOPS

Radeon R9 390

VS

Radeon HD 3470

Graphics Card

Jun 2015

Release Date

Jan 2008

Pirate Islands

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1500 MHz

Memory Clock

950 MHz

Memory

8GB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

512bit

Memory Bus

64bit

384.0GB/s

Bandwidth

15.20GB/s

Render Config

40

Compute Units

2

-

2560

Shading Units

40

160

TMUs

4

64

ROPs

4

-

16 KB (per CU)

L1 Cache

-

1024 KB

L2 Cache

64 KB

-

Theoretical Performance

64.00 GPixel/s

Pixel Rate

3.200 GPixel/s

160.0 GTexel/s

Texture Rate

3.200 GTexel/s

-

5.120 TFLOPS

FP32 (float)

64.00 GFLOPS

640.0 GFLOPS

FP64 (double)

-

Board Design

275W

TDP

30W

600 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x VGA 1x S-Video

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

Grenada

GPU Name

RV620

Grenada PRO (215-0880030)

GPU Variant

RV620 PRO (215-0670006)

GCN 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

6.2 billion

Transistors

0.181 billion

438 mm²

Die Size

67 mm²

Graphics Features

12 (12_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.0

OpenCL

N/A

1.2

Vulkan

N/A

-

6.3

Shader Model

4.1

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