AMD Radeon RX 590 vs AMD Radeon HD 7970

VS

AMD Radeon RX 590

AMD Radeon HD 7970

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 590 and 3GB VRAM Radeon HD 7970 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 590 's Advantages

Released 6 years and 11 months late

Boost Clock1545MHz

More VRAM (8GB vs 3GB)

256 additional rendering cores

Lower TDP (175W vs 250W)

AMD Radeon HD 7970 's Advantages

Larger VRAM bandwidth (264.0GB/s vs 256.0GB/s)

Score

Benchmark

FP32 (float)

Radeon RX 590 +87%

7.119 TFLOPS

Radeon HD 7970

3.789 TFLOPS

3DMark Time Spy

Radeon RX 590 +108%

4757

Radeon HD 7970

2279

Radeon RX 590

VS

Radeon HD 7970

Graphics Card

Nov 2018

Release Date

Dec 2011

Polaris

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1469 MHz

Base Clock

-

1545 MHz

Boost Clock

-

2000 MHz

Memory Clock

1375 MHz

Memory

8GB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

384bit

256.0GB/s

Bandwidth

264.0GB/s

Render Config

36

Compute Units

32

-

2304

Shading Units

2048

144

TMUs

128

32

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

768 KB

-

Theoretical Performance

49.44 GPixel/s

Pixel Rate

29.60 GPixel/s

222.5 GTexel/s

Texture Rate

118.4 GTexel/s

7.119 TFLOPS

FP16 (half)

-

7.119 TFLOPS

FP32 (float)

3.789 TFLOPS

445.0 GFLOPS

FP64 (double)

947.2 GFLOPS

Board Design

175W

TDP

250W

450 W

Suggested PSU

600 W

1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

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

1x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Polaris 30

GPU Name

Tahiti

Polaris 30 XT (215-0922006)

GPU Variant

Tahiti XT (215-0821060)

GCN 4.0

Architecture

GCN 1.0

GlobalFoundries

Foundry

TSMC

12 nm

Process Size

28 nm

5.7 billion

Transistors

4.313 billion

232 mm²

Die Size

352 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

1.2

Vulkan

1.2

-

6.4

Shader Model

5.1

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