AMD Radeon HD 7970 vs AMD Radeon RX 550X

VS

AMD Radeon HD 7970

AMD Radeon RX 550X

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 and 4GB VRAM Radeon RX 550X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7970 's Advantages

Larger VRAM bandwidth (264.0GB/s vs 96.00GB/s)

1536 additional rendering cores

AMD Radeon RX 550X 's Advantages

Released 7 years late

Boost Clock1183MHz

More VRAM (4GB vs 3GB)

Lower TDP (50W vs 250W)

Score

Benchmark

FP32 (float)

Radeon HD 7970 +212%

3.789 TFLOPS

Radeon RX 550X

1.211 TFLOPS

Radeon HD 7970

VS

Radeon RX 550X

Graphics Card

Dec 2011

Release Date

Dec 2018

Southern 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

1500 MHz

Memory

3GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

128bit

264.0GB/s

Bandwidth

96.00GB/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

512 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

1.2

-

5.1

Shader Model

6.4

Related GPU Comparisons

1

AMD Radeon HD 7970 vs AMD Radeon Pro V7350X2

2

AMD Radeon HD 7970 vs ATI Radeon HD 3450 AGP

3

AMD Radeon HD 7970 vs NVIDIA GeForce GTX 1060 6 GB GDDR5X

4

AMD Radeon HD 7970 vs AMD Radeon RX 560 896SP

5

AMD Radeon HD 7970 vs NVIDIA GeForce GTX 560 Ti

6

AMD Radeon HD 7970 vs NVIDIA GeForce GTX 260 OEM

7

AMD Radeon HD 7970 vs AMD Radeon RX Vega 64 Liquid Cooling

8

AMD Radeon HD 7970 vs ATI Radeon HD 3870 Mac Edition

9

AMD Radeon HD 7970 vs NVIDIA GeForce GT 1030 DDR4

10

AMD Radeon HD 7970 vs NVIDIA GeForce GTX 660 OEM

Related News

1

Strix Halo Integrated Graphics Score Appears on Passmark, Currently Slightly Below RTX 3060 12GB

2

AMD Unveils New RX 9070 XT Graphics Card Performance: Positioned Between RX 7900 GRE and RX 7900 XT

3

Double the Excitement! AMD FSR 4.0 to Launch Alongside RX 9070 XT Graphics Card

4

CPU-Z Minor Update: Support for Intel's Four New Products and New Memory

5

CXMT Reportedly Achieves 80% Yield in DDR5 Production

6

Intel Wildcat Lake Appears on Shipping List with FCBGA1516 Socket, Poised to Replace Alder Lake-N

7

The Commencement of ARM and Qualcomm Licensing Dispute Trial: Potential Major Impact on PC Market

8

NVIDIA Allegedly Equips RTX 5080 with 30Gbps Memory Speed, Other Models to Feature 28Gbps

9

Intel Reports High Return Rates for Devices Featuring Snapdragon X Series; Qualcomm Counters with 'Industry Standard' Claim

10

Intel Confirms Panther Lake Adopts 18A Process, ES0 Samples Already Sent to Customers