AMD Radeon HD 7790 vs AMD Radeon RX 470D

VS

AMD Radeon HD 7790

AMD Radeon RX 470D

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 7790 and 4GB VRAM Radeon RX 470D to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7790 's Advantages

Lower TDP (85W vs 120W)

AMD Radeon RX 470D 's Advantages

Released 3 years and 7 months late

Boost Clock1206MHz

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (211.2GB/s vs 96.00GB/s)

896 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7790

1.792 TFLOPS

Radeon RX 470D +141%

4.322 TFLOPS

Radeon HD 7790

VS

Radeon RX 470D

Graphics Card

Mar 2013

Release Date

Oct 2016

Southern Islands

Generation

Arctic Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

926 MHz

-

Boost Clock

1206 MHz

1500 MHz

Memory Clock

1650 MHz

Memory

1024MB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

96.00GB/s

Bandwidth

211.2GB/s

Render Config

14

Compute Units

28

-

896

Shading Units

1792

56

TMUs

112

16

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

2 MB

-

Theoretical Performance

16.00 GPixel/s

Pixel Rate

38.59 GPixel/s

56.00 GTexel/s

Texture Rate

135.1 GTexel/s

-

FP16 (half)

4.322 TFLOPS

1.792 TFLOPS

FP32 (float)

4.322 TFLOPS

112.0 GFLOPS

FP64 (double)

270.1 GFLOPS

Board Design

85W

TDP

120W

250 W

Suggested PSU

300 W

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

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

1x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

Bonaire

GPU Name

Ellesmere

Bonaire XT (215-0839039)

GPU Variant

Polaris 10 PROD

GCN 2.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

2.08 billion

Transistors

5.7 billion

160 mm²

Die Size

232 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.0

OpenCL

2.1

1.2

Vulkan

1.2

-

6.3

Shader Model

6.4

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