AMD Radeon RX 470D vs AMD Radeon HD 6790

VS

AMD Radeon RX 470D

AMD Radeon HD 6790

We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 470D and 1024MB VRAM Radeon HD 6790 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 470D 's Advantages

Released 5 years and 6 months late

Boost Clock1206MHz

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (211.2GB/s vs 134.4GB/s)

992 additional rendering cores

Lower TDP (120W vs 150W)

Score

Benchmark

FP32 (float)

Radeon RX 470D +221%

4.322 TFLOPS

Radeon HD 6790

1.344 TFLOPS

Radeon RX 470D

VS

Radeon HD 6790

Graphics Card

Oct 2016

Release Date

Apr 2011

Arctic Islands

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

926 MHz

Base Clock

-

1206 MHz

Boost Clock

-

1650 MHz

Memory Clock

1050 MHz

Memory

4GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

211.2GB/s

Bandwidth

134.4GB/s

Render Config

28

Compute Units

10

-

1792

Shading Units

800

112

TMUs

40

32

ROPs

16

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

2 MB

L2 Cache

512 KB

-

Theoretical Performance

38.59 GPixel/s

Pixel Rate

13.44 GPixel/s

135.1 GTexel/s

Texture Rate

33.60 GTexel/s

4.322 TFLOPS

FP16 (half)

-

4.322 TFLOPS

FP32 (float)

1344 GFLOPS

270.1 GFLOPS

FP64 (double)

-

Board Design

120W

TDP

150W

300 W

Suggested PSU

450 W

1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1

1x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

Ellesmere

GPU Name

Barts

Polaris 10 PROD

GPU Variant

Barts LE (215-0798002)

GCN 4.0

Architecture

TeraScale 2

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

5.7 billion

Transistors

1.7 billion

232 mm²

Die Size

255 mm²

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

Vulkan

N/A

-

6.4

Shader Model

5.0

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