ATI Radeon HD 4890 vs AMD Radeon 550

VS

ATI Radeon HD 4890

AMD Radeon 550

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 4890 and 2GB VRAM Radeon 550 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4890 's Advantages

Larger VRAM bandwidth (124.8GB/s vs 56.00GB/s)

288 additional rendering cores

AMD Radeon 550 's Advantages

Released 8 years late

Boost Clock1183MHz

More VRAM (2GB vs 1024GB)

Lower TDP (50W vs 190W)

Score

Benchmark

FP32 (float)

Radeon HD 4890 +12%

1.36 TFLOPS

Radeon 550

1.211 TFLOPS

Radeon HD 4890

VS

Radeon 550

Graphics Card

Apr 2009

Release Date

Apr 2017

Radeon R700

Generation

Polaris

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1100 MHz

-

Boost Clock

1183 MHz

975 MHz

Memory Clock

1750 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

64bit

124.8GB/s

Bandwidth

56.00GB/s

Render Config

10

Compute Units

8

-

800

Shading Units

512

40

TMUs

32

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

13.60 GPixel/s

Pixel Rate

18.93 GPixel/s

34.00 GTexel/s

Texture Rate

37.86 GTexel/s

-

FP16 (half)

1211 GFLOPS

1360 GFLOPS

FP32 (float)

1211 GFLOPS

272.0 GFLOPS

FP64 (double)

75.71 GFLOPS

Board Design

190W

TDP

50W

450 W

Suggested PSU

250 W

2x DVI 1x S-Video

Outputs

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

2x 6-pin

Power Connectors

None

Graphics Processor

RV790

GPU Name

Lexa

RV790 XT (215-0758016)

GPU Variant

Lexa PRO (215-0904018)

TeraScale

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

55 nm

Process Size

14 nm

0.959 billion

Transistors

2.2 billion

282 mm²

Die Size

103 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (12_0)

3.3

OpenGL

4.6

1.1

OpenCL

2.1

N/A

Vulkan

1.3

-

4.1

Shader Model

6.7

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