AMD Radeon R9 295X2 vs AMD Radeon Sky 500

VS

AMD Radeon R9 295X2

AMD Radeon Sky 500

We compared two Desktop platform GPUs: 4GB VRAM Radeon R9 295X2 and 4GB VRAM Radeon Sky 500 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 295X2 's Advantages

Released 1 years and 1 months late

Larger VRAM bandwidth (320.0GB/s vs 153.6GB/s)

1536 additional rendering cores

AMD Radeon Sky 500 's Advantages

Lower TDP (150W vs 500W)

Score

Benchmark

FP32 (float)

Radeon R9 295X2 +135%

5.733 TFLOPS

Radeon Sky 500

2.432 TFLOPS

Radeon R9 295X2

VS

Radeon Sky 500

Graphics Card

Apr 2014

Release Date

Mar 2013

Volcanic Islands

Generation

Radeon Sky

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1250 MHz

Memory Clock

1200 MHz

Memory

4GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

512bit

Memory Bus

256bit

320.0GB/s

Bandwidth

153.6GB/s

Render Config

44

Compute Units

20

-

2816

Shading Units

1280

176

TMUs

80

64

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

512 KB

-

Theoretical Performance

65.15 GPixel/s

Pixel Rate

30.40 GPixel/s

179.2 GTexel/s

Texture Rate

76.00 GTexel/s

-

5.733 TFLOPS

FP32 (float)

2.432 TFLOPS

716.7 GFLOPS

FP64 (double)

152.0 GFLOPS

Board Design

500W

TDP

150W

900 W

Suggested PSU

450 W

1x DVI 4x mini-DisplayPort 1.2

Outputs

1x DisplayPort 1.2

2x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

Vesuvius

GPU Name

Pitcairn

Vesuvius XT (215-0852022)

GPU Variant

Pitcairn XT GL (215-0828073)

GCN 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

6.2 billion

Transistors

2.8 billion

438 mm²

Die Size

212 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.0

OpenCL

1.2

Vulkan

1.2

-

6.3

Shader Model

5.1

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