AMD Radeon HD 7950 vs AMD Radeon RX 590

VS

AMD Radeon HD 7950

AMD Radeon RX 590

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7950 and 8GB VRAM Radeon RX 590 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 10 months late

Boost Clock1545MHz

More VRAM (8GB vs 3GB)

Larger VRAM bandwidth (256.0GB/s vs 240.0GB/s)

512 additional rendering cores

Lower TDP (175W vs 200W)

Score

Benchmark

FP32 (float)

Radeon HD 7950

2.867 TFLOPS

Radeon RX 590 +148%

7.119 TFLOPS

3DMark Time Spy

Radeon HD 7950

1917

Radeon RX 590 +148%

4757

Radeon HD 7950

VS

Radeon RX 590

Graphics Card

Jan 2012

Release Date

Nov 2018

Southern Islands

Generation

Polaris

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1469 MHz

-

Boost Clock

1545 MHz

1250 MHz

Memory Clock

2000 MHz

Memory

3GB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

256bit

240.0GB/s

Bandwidth

256.0GB/s

Render Config

28

Compute Units

36

-

1792

Shading Units

2304

112

TMUs

144

32

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

768 KB

L2 Cache

2 MB

-

Theoretical Performance

25.60 GPixel/s

Pixel Rate

49.44 GPixel/s

89.60 GTexel/s

Texture Rate

222.5 GTexel/s

-

FP16 (half)

7.119 TFLOPS

2.867 TFLOPS

FP32 (float)

7.119 TFLOPS

716.8 GFLOPS

FP64 (double)

445.0 GFLOPS

Board Design

200W

TDP

175W

550 W

Suggested PSU

450 W

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

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

2x 6-pin

Power Connectors

1x 8-pin

Graphics Processor

Tahiti

GPU Name

Polaris 30

Tahiti PRO (215-0821056)

GPU Variant

Polaris 30 XT (215-0922006)

GCN 1.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

12 nm

4.313 billion

Transistors

5.7 billion

352 mm²

Die Size

232 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

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