AMD Radeon RX 590 vs AMD Radeon HD 7950

VS

AMD Radeon RX 590

AMD Radeon HD 7950

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 590 and 3GB VRAM Radeon HD 7950 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 RX 590 +148%

7.119 TFLOPS

Radeon HD 7950

2.867 TFLOPS

3DMark Time Spy

Radeon RX 590 +148%

4757

Radeon HD 7950

1917

Radeon RX 590

VS

Radeon HD 7950

Graphics Card

Nov 2018

Release Date

Jan 2012

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

1250 MHz

Memory

8GB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

384bit

256.0GB/s

Bandwidth

240.0GB/s

Render Config

36

Compute Units

28

-

2304

Shading Units

1792

144

TMUs

112

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

25.60 GPixel/s

222.5 GTexel/s

Texture Rate

89.60 GTexel/s

7.119 TFLOPS

FP16 (half)

-

7.119 TFLOPS

FP32 (float)

2.867 TFLOPS

445.0 GFLOPS

FP64 (double)

716.8 GFLOPS

Board Design

175W

TDP

200W

450 W

Suggested PSU

550 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

2x 6-pin

Graphics Processor

Polaris 30

GPU Name

Tahiti

Polaris 30 XT (215-0922006)

GPU Variant

Tahiti PRO (215-0821056)

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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