AMD Radeon RX 470 vs AMD Radeon HD 7950 Mac Edition

VS

AMD Radeon RX 470

AMD Radeon HD 7950 Mac Edition

We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 470 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

AMD Radeon RX 470 's Advantages

Released 3 years and 5 months late

Boost Clock1206MHz

More VRAM (4GB vs 3GB)

256 additional rendering cores

Lower TDP (120W vs 200W)

AMD Radeon HD 7950 Mac Edition 's Advantages

Larger VRAM bandwidth (240.0GB/s vs 211.2GB/s)

Score

Benchmark

FP32 (float)

Radeon RX 470 +72%

4.94 TFLOPS

Radeon HD 7950 Mac Edition

2.867 TFLOPS

Radeon RX 470

VS

Radeon HD 7950 Mac Edition

Graphics Card

Aug 2016

Release Date

Mar 2013

Arctic Islands

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

926 MHz

Base Clock

-

1206 MHz

Boost Clock

-

1650 MHz

Memory Clock

1250 MHz

Memory

4GB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

384bit

211.2GB/s

Bandwidth

240.0GB/s

Render Config

32

Compute Units

28

-

2048

Shading Units

1792

128

TMUs

112

32

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

768 KB

-

Theoretical Performance

38.59 GPixel/s

Pixel Rate

25.60 GPixel/s

154.4 GTexel/s

Texture Rate

89.60 GTexel/s

4.940 TFLOPS

FP16 (half)

-

4.940 TFLOPS

FP32 (float)

2.867 TFLOPS

308.7 GFLOPS

FP64 (double)

716.8 GFLOPS

Board Design

120W

TDP

200W

300 W

Suggested PSU

550 W

1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

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

1x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

Ellesmere

GPU Name

Tahiti

Polaris 10 PRO (215-0876204)

GPU Variant

Tahiti PRO (215-0821056)

GCN 4.0

Architecture

GCN 1.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

5.7 billion

Transistors

4.313 billion

232 mm²

Die Size

352 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

1.2

Vulkan

1.2

-

6.4

Shader Model

5.1

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