AMD Radeon R9 285 vs AMD FireStream 9250

VS

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 285 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 285 's Advantages

Released 6 years and 3 months late

More VRAM (2GB vs 1GB)

Larger VRAM bandwidth (176.0GB/s vs 63.55GB/s)

992 additional rendering cores

AMD FireStream 9250 's Advantages

Lower TDP (150W vs 190W)

Score

Benchmark

FP32 (float)

Radeon R9 285 +229%

3.29 TFLOPS

FireStream 9250

1 TFLOPS

Radeon R9 285

VS

FireStream 9250

Graphics Card

Sep 2014

Release Date

Jun 2008

Volcanic Islands

Generation

FireStream

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1375 MHz

Memory Clock

993 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

256bit

176.0GB/s

Bandwidth

63.55GB/s

Render Config

-

SM Count

-

28

Compute Units

10

1792

Shading Units

800

112

TMUs

40

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

Theoretical Performance

29.38 GPixel/s

Pixel Rate

10.00 GPixel/s

102.8 GTexel/s

Texture Rate

25.00 GTexel/s

3.290 TFLOPS

FP16 (half)

-

3.290 TFLOPS

FP32 (float)

1000 GFLOPS

205.6 GFLOPS

FP64 (double)

200.0 GFLOPS

Graphics Processor

Tonga

GPU Name

RV770

Tonga PRO (215-0851128)

GPU Variant

RV770 PRO

GCN 3.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

5 billion

Transistors

0.956 billion

366 mm²

Die Size

256 mm²

Board Design

190W

TDP

150W

450 W

Suggested PSU

450 W

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

Outputs

1x DVI

2x 6-pin

Power Connectors

1x 6-pin

Graphics Features

12 (12_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.1

OpenCL

1.1

1.2.170

Vulkan

N/A

-

CUDA

-

6.5

Shader Model

4.1

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