AMD Radeon RX 460 1024SP vs AMD Radeon HD 7790

VS

AMD Radeon RX 460 1024SP

AMD Radeon HD 7790

We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 460 1024SP and 1024MB VRAM Radeon HD 7790 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 460 1024SP 's Advantages

Released 3 years and 10 months late

Boost Clock1200MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (112.0GB/s vs 96.00GB/s)

128 additional rendering cores

Lower TDP (75W vs 85W)

Score

Benchmark

FP32 (float)

Radeon RX 460 1024SP +37%

2.458 TFLOPS

Radeon HD 7790

1.792 TFLOPS

Radeon RX 460 1024SP

VS

Radeon HD 7790

Graphics Card

Jan 2017

Release Date

Mar 2013

Arctic Islands

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1090 MHz

Base Clock

-

1200 MHz

Boost Clock

-

1750 MHz

Memory Clock

1500 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

112.0GB/s

Bandwidth

96.00GB/s

Render Config

16

Compute Units

14

-

1024

Shading Units

896

64

TMUs

56

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

256 KB

-

Theoretical Performance

19.20 GPixel/s

Pixel Rate

16.00 GPixel/s

76.80 GTexel/s

Texture Rate

56.00 GTexel/s

2.458 TFLOPS

FP16 (half)

-

2.458 TFLOPS

FP32 (float)

1.792 TFLOPS

153.6 GFLOPS

FP64 (double)

112.0 GFLOPS

Board Design

75W

TDP

85W

250 W

Suggested PSU

250 W

1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a

Outputs

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

None

Power Connectors

1x 6-pin

Graphics Processor

Baffin

GPU Name

Bonaire

Baffin XT

GPU Variant

Bonaire XT (215-0839039)

GCN 4.0

Architecture

GCN 2.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

3 billion

Transistors

2.08 billion

123 mm²

Die Size

160 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.0

1.2

Vulkan

1.2

-

6.4

Shader Model

6.3

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