AMD Radeon HD 8970 OEM vs AMD Radeon 550

VS

AMD Radeon HD 8970 OEM

AMD Radeon 550

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 8970 OEM and 2GB VRAM Radeon 550 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8970 OEM 's Advantages

More VRAM (3GB vs 2GB)

Larger VRAM bandwidth (264.0GB/s vs 56.00GB/s)

1536 additional rendering cores

AMD Radeon 550 's Advantages

Released 4 years and 3 months late

Boost Clock1183MHz

Lower TDP (50W vs 250W)

Score

Benchmark

FP32 (float)

Radeon HD 8970 OEM +212%

3.789 TFLOPS

Radeon 550

1.211 TFLOPS

Radeon HD 8970 OEM

VS

Radeon 550

Graphics Card

Jan 2013

Release Date

Apr 2017

Sea Islands

Generation

Polaris

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1100 MHz

-

Boost Clock

1183 MHz

1375 MHz

Memory Clock

1750 MHz

Memory

3GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

64bit

264.0GB/s

Bandwidth

56.00GB/s

Render Config

32

Compute Units

8

-

2048

Shading Units

512

128

TMUs

32

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

768 KB

L2 Cache

256 KB

-

Theoretical Performance

29.60 GPixel/s

Pixel Rate

18.93 GPixel/s

118.4 GTexel/s

Texture Rate

37.86 GTexel/s

-

FP16 (half)

1211 GFLOPS

3.789 TFLOPS

FP32 (float)

1211 GFLOPS

947.2 GFLOPS

FP64 (double)

75.71 GFLOPS

Board Design

250W

TDP

50W

600 W

Suggested PSU

250 W

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

Outputs

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

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

Tahiti

GPU Name

Lexa

Tahiti XT (215-0821060)

GPU Variant

Lexa PRO (215-0904018)

GCN 1.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

4.313 billion

Transistors

2.2 billion

352 mm²

Die Size

103 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.3

-

5.1

Shader Model

6.7

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