AMD Radeon HD 7850 vs ATI Radeon HD 5850

VS

AMD Radeon HD 7850

ATI Radeon HD 5850

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 7850 and 1024MB VRAM Radeon HD 5850 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7850 's Advantages

Released 2 years and 6 months late

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (153.6GB/s vs 128.0GB/s)

Lower TDP (130W vs 151W)

ATI Radeon HD 5850 's Advantages

416 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7850

1.761 TFLOPS

Radeon HD 5850 +18%

2.088 TFLOPS

Radeon HD 7850

VS

Radeon HD 5850

Graphics Card

Mar 2012

Release Date

Sep 2009

Southern Islands

Generation

Evergreen

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1200 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

153.6GB/s

Bandwidth

128.0GB/s

Render Config

16

Compute Units

18

-

1024

Shading Units

1440

64

TMUs

72

32

ROPs

32

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

27.52 GPixel/s

Pixel Rate

23.20 GPixel/s

55.04 GTexel/s

Texture Rate

52.20 GTexel/s

-

1.761 TFLOPS

FP32 (float)

2.088 TFLOPS

110.1 GFLOPS

FP64 (double)

417.6 GFLOPS

Board Design

130W

TDP

151W

300 W

Suggested PSU

450 W

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

Outputs

2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1

1x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

Pitcairn

GPU Name

Cypress

Pitcairn PRO (215-0828062)

GPU Variant

Cypress PRO (215-0735043)

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.8 billion

Transistors

2.154 billion

212 mm²

Die Size

334 mm²

Graphics Features

12 (11_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.2

OpenCL

1.2

Vulkan

N/A

-

5.1

Shader Model

5.0

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