ATI Radeon HD 3470 vs AMD Radeon HD 7950 Mac Edition

VS

ATI Radeon HD 3470

AMD Radeon HD 7950 Mac Edition

We compared two Desktop platform GPUs: 256MB VRAM Radeon HD 3470 and 3GB VRAM Radeon HD 7950 Mac Edition 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 200W)

AMD Radeon HD 7950 Mac Edition 's Advantages

Released 5 years and 2 months late

More VRAM (3GB vs 256GB)

Larger VRAM bandwidth (240.0GB/s vs 15.20GB/s)

1752 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 3470

0.064 TFLOPS

Radeon HD 7950 Mac Edition +4379%

2.867 TFLOPS

Radeon HD 3470

VS

Radeon HD 7950 Mac Edition

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

-

950 MHz

Memory Clock

1250 MHz

Memory

256MB

Memory Size

3GB

GDDR3

Memory Type

GDDR5

64bit

Memory Bus

384bit

15.20GB/s

Bandwidth

240.0GB/s

Render Config

2

Compute Units

28

-

40

Shading Units

1792

4

TMUs

112

4

ROPs

32

-

L1 Cache

16 KB (per CU)

64 KB

L2 Cache

768 KB

-

Theoretical Performance

3.200 GPixel/s

Pixel Rate

25.60 GPixel/s

3.200 GTexel/s

Texture Rate

89.60 GTexel/s

-

64.00 GFLOPS

FP32 (float)

2.867 TFLOPS

-

FP64 (double)

716.8 GFLOPS

Board Design

30W

TDP

200W

200 W

Suggested PSU

550 W

1x DVI 1x VGA 1x S-Video

Outputs

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

None

Power Connectors

2x 6-pin

Graphics Processor

RV620

GPU Name

Tahiti

RV620 PRO (215-0670006)

GPU Variant

Tahiti PRO (215-0821056)

TeraScale

Architecture

GCN 1.0

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.181 billion

Transistors

4.313 billion

67 mm²

Die Size

352 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (11_1)

3.3

OpenGL

4.6

N/A

OpenCL

1.2

N/A

Vulkan

1.2

-

4.1

Shader Model

5.1

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