AMD Radeon Sky 900 vs AMD Radeon R9 370X

VS

AMD Radeon Sky 900

AMD Radeon R9 370X

We compared two Desktop platform GPUs: 3GB VRAM Radeon Sky 900 and 2GB VRAM Radeon R9 370X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Sky 900 's Advantages

More VRAM (3GB vs 2GB)

Larger VRAM bandwidth (240.0GB/s vs 179.2GB/s)

512 additional rendering cores

AMD Radeon R9 370X 's Advantages

Released 2 years and 5 months late

Boost Clock has increased by 8% (1030MHz vs 950MHz)

Lower TDP (180W vs 300W)

Score

Benchmark

FP32 (float)

Radeon Sky 900 +29%

3.405 TFLOPS

Radeon R9 370X

2.637 TFLOPS

Radeon Sky 900

VS

Radeon R9 370X

Graphics Card

Mar 2013

Release Date

Aug 2015

Radeon Sky

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

825 MHz

Base Clock

980 MHz

950 MHz

Boost Clock

1030 MHz

1250 MHz

Memory Clock

1400 MHz

Memory

3GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

256bit

240.0GB/s

Bandwidth

179.2GB/s

Render Config

28

Compute Units

24

-

1792

Shading Units

1280

112

TMUs

80

32

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

768 KB

L2 Cache

512 KB

-

Theoretical Performance

30.40 GPixel/s

Pixel Rate

32.96 GPixel/s

106.4 GTexel/s

Texture Rate

82.40 GTexel/s

-

3.405 TFLOPS

FP32 (float)

2.637 TFLOPS

851.2 GFLOPS

FP64 (double)

164.8 GFLOPS

Board Design

300W

TDP

180W

700 W

Suggested PSU

450 W

1x DVI 1x mini-DisplayPort 1.2

Outputs

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

2x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

Tahiti

GPU Name

Trinidad

Orthrus

GPU Variant

Trinidad XT

GCN 1.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

4.313 billion

Transistors

2.8 billion

352 mm²

Die Size

212 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

1.2

OpenCL

1.2

Vulkan

1.2

-

5.1

Shader Model

5.1

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