ATI Radeon HD 3470 vs AMD Radeon HD 7790

VS

We compared two Desktop platform GPUs: 256MB VRAM Radeon HD 3470 and 1024MB VRAM Radeon HD 7790 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 3470 's Advantages

Lower TDP (30W vs 85W)

AMD Radeon HD 7790 's Advantages

Released 5 years and 2 months late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (96.00GB/s vs 15.20GB/s)

856 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 3470

0.064 TFLOPS

Radeon HD 7790 +2700%

1.792 TFLOPS

Radeon HD 3470

VS

Radeon HD 7790

Graphics Card

Jan 2008

Release Date

Mar 2013

Radeon R600

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

950 MHz

Memory Clock

1500 MHz

Memory

256MB

Memory Size

1024MB

GDDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

15.20GB/s

Bandwidth

96.00GB/s

Render Config

-

SM Count

-

2

Compute Units

14

40

Shading Units

896

4

TMUs

56

4

ROPs

16

-

Tensor Cores

-

RT Cores

-

L1 Cache

16 KB (per CU)

64 KB

L2 Cache

256 KB

Theoretical Performance

3.200 GPixel/s

Pixel Rate

16.00 GPixel/s

3.200 GTexel/s

Texture Rate

56.00 GTexel/s

-

FP16 (half)

-

64.00 GFLOPS

FP32 (float)

1.792 TFLOPS

-

FP64 (double)

112.0 GFLOPS

Graphics Processor

RV620

GPU Name

Bonaire

RV620 PRO (215-0670006)

GPU Variant

Bonaire XT (215-0839039)

TeraScale

Architecture

GCN 2.0

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.181 billion

Transistors

2.08 billion

67 mm²

Die Size

160 mm²

Board Design

30W

TDP

85W

200 W

Suggested PSU

250 W

1x DVI 1x VGA 1x S-Video

Outputs

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

None

Power Connectors

1x 6-pin

Graphics Features

10.1 (10_1)

DirectX

12 (12_0)

3.3

OpenGL

4.6

N/A

OpenCL

2.0

N/A

Vulkan

1.2

-

CUDA

-

4.1

Shader Model

6.3

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