AMD FireStream 9270 vs AMD Radeon HD 7850

VS

AMD FireStream 9270

AMD Radeon HD 7850

We compared two Desktop platform GPUs: 2GB VRAM FireStream 9270 and 2GB VRAM Radeon HD 7850 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7850 's Advantages

Released 3 years and 4 months late

Larger VRAM bandwidth (153.6GB/s vs 115.2GB/s)

224 additional rendering cores

Lower TDP (130W vs 160W)

Score

Benchmark

FP32 (float)

FireStream 9270

1.2 TFLOPS

Radeon HD 7850 +46%

1.761 TFLOPS

FireStream 9270

VS

Radeon HD 7850

Graphics Card

Nov 2008

Release Date

Mar 2012

FireStream

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

900 MHz

Memory Clock

1200 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

115.2GB/s

Bandwidth

153.6GB/s

Render Config

10

Compute Units

16

-

800

Shading Units

1024

40

TMUs

64

16

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

12.00 GPixel/s

Pixel Rate

27.52 GPixel/s

30.00 GTexel/s

Texture Rate

55.04 GTexel/s

-

1200 GFLOPS

FP32 (float)

1.761 TFLOPS

240.0 GFLOPS

FP64 (double)

110.1 GFLOPS

Board Design

160W

TDP

130W

450 W

Suggested PSU

300 W

1x DVI

Outputs

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

2x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

RV770

GPU Name

Pitcairn

RV770 XT

GPU Variant

Pitcairn PRO (215-0828062)

TeraScale

Architecture

GCN 1.0

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.956 billion

Transistors

2.8 billion

256 mm²

Die Size

212 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (11_1)

3.3

OpenGL

4.6

1.1

OpenCL

1.2

N/A

Vulkan

1.2

-

4.1

Shader Model

5.1

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