AMD Radeon 550X 640SP vs AMD FireStream 9250

VS

AMD Radeon 550X 640SP

AMD FireStream 9250

We compared two Desktop platform GPUs: 4GB VRAM Radeon 550X 640SP and 1024MB VRAM FireStream 9250 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon 550X 640SP 's Advantages

Released 9 years and 10 months late

Boost Clock1071MHz

More VRAM (4GB vs 1024GB)

Lower TDP (50W vs 150W)

AMD FireStream 9250 's Advantages

Larger VRAM bandwidth (63.55GB/s vs 48.00GB/s)

160 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon 550X 640SP +37%

1.371 TFLOPS

FireStream 9250

1 TFLOPS

Radeon 550X 640SP

VS

FireStream 9250

Graphics Card

Apr 2018

Release Date

Jun 2008

Polaris

Generation

FireStream

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

1019 MHz

Base Clock

-

1071 MHz

Boost Clock

-

1500 MHz

Memory Clock

993 MHz

Memory

4GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR3

64bit

Memory Bus

256bit

48.00GB/s

Bandwidth

63.55GB/s

Render Config

10

Compute Units

10

-

640

Shading Units

800

40

TMUs

40

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

17.14 GPixel/s

Pixel Rate

10.00 GPixel/s

42.84 GTexel/s

Texture Rate

25.00 GTexel/s

1371 GFLOPS

FP16 (half)

-

1371 GFLOPS

FP32 (float)

1000 GFLOPS

85.68 GFLOPS

FP64 (double)

200.0 GFLOPS

Board Design

50W

TDP

150W

250 W

Suggested PSU

450 W

1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a

Outputs

1x DVI

None

Power Connectors

1x 6-pin

Graphics Processor

Lexa

GPU Name

RV770

Lexa PRO (215-0904018)

GPU Variant

RV770 PRO

GCN 4.0

Architecture

TeraScale

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

55 nm

2.2 billion

Transistors

0.956 billion

103 mm²

Die Size

256 mm²

Graphics Features

12 (12_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.1

OpenCL

1.1

1.2

Vulkan

N/A

-

6.4

Shader Model

4.1

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