AMD Radeon HD 7850 vs AMD Radeon Sky 500

VS

AMD Radeon HD 7850

AMD Radeon Sky 500

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 7850 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 HD 7850 's Advantages

Lower TDP (130W vs 150W)

AMD Radeon Sky 500 's Advantages

Released 1 years late

More VRAM (4GB vs 2GB)

256 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7850

1.761 TFLOPS

Radeon Sky 500 +38%

2.432 TFLOPS

Radeon HD 7850

VS

Radeon Sky 500

Graphics Card

Mar 2012

Release Date

Mar 2013

Southern Islands

Generation

Radeon Sky

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1200 MHz

Memory Clock

1200 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

153.6GB/s

Bandwidth

153.6GB/s

Render Config

16

Compute Units

20

-

1024

Shading Units

1280

64

TMUs

80

32

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

27.52 GPixel/s

Pixel Rate

30.40 GPixel/s

55.04 GTexel/s

Texture Rate

76.00 GTexel/s

-

1.761 TFLOPS

FP32 (float)

2.432 TFLOPS

110.1 GFLOPS

FP64 (double)

152.0 GFLOPS

Board Design

130W

TDP

150W

300 W

Suggested PSU

450 W

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

Outputs

1x DisplayPort 1.2

1x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

Pitcairn

GPU Name

Pitcairn

Pitcairn PRO (215-0828062)

GPU Variant

Pitcairn XT GL (215-0828073)

GCN 1.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.8 billion

Transistors

2.8 billion

212 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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