AMD Radeon R9 390 vs AMD FireStream 9250

VS

AMD Radeon R9 390

AMD FireStream 9250

We compared two Desktop platform GPUs: 8GB VRAM Radeon R9 390 and 1024MB VRAM FireStream 9250 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 late

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (384.0GB/s vs 63.55GB/s)

1760 additional rendering cores

AMD FireStream 9250 's Advantages

Lower TDP (150W vs 275W)

Score

Benchmark

FP32 (float)

Radeon R9 390 +412%

5.12 TFLOPS

FireStream 9250

1 TFLOPS

Radeon R9 390

VS

FireStream 9250

Graphics Card

Jun 2015

Release Date

Jun 2008

Pirate Islands

Generation

FireStream

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1500 MHz

Memory Clock

993 MHz

Memory

8GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR3

512bit

Memory Bus

256bit

384.0GB/s

Bandwidth

63.55GB/s

Render Config

40

Compute Units

10

-

2560

Shading Units

800

160

TMUs

40

64

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

256 KB

-

Theoretical Performance

64.00 GPixel/s

Pixel Rate

10.00 GPixel/s

160.0 GTexel/s

Texture Rate

25.00 GTexel/s

-

5.120 TFLOPS

FP32 (float)

1000 GFLOPS

640.0 GFLOPS

FP64 (double)

200.0 GFLOPS

Board Design

275W

TDP

150W

600 W

Suggested PSU

450 W

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

Outputs

1x DVI

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

Grenada

GPU Name

RV770

Grenada PRO (215-0880030)

GPU Variant

RV770 PRO

GCN 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

6.2 billion

Transistors

0.956 billion

438 mm²

Die Size

256 mm²

Graphics Features

12 (12_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.0

OpenCL

1.1

1.2

Vulkan

N/A

-

6.3

Shader Model

4.1

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