AMD FireStream 9270 vs AMD Radeon R9 255 OEM

VS

AMD FireStream 9270 AMD Radeon R9 255 OEM

We compared two Desktop platform GPUs: 2GB VRAM FireStream 9270 and 2GB VRAM Radeon R9 255 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD FireStream 9270 's Advantages

Larger VRAM bandwidth (115.2GB/s vs 73.60GB/s)

288 additional rendering cores

AMD Radeon R9 255 OEM 's Advantages

Released 5 years and 1 months late

Boost Clock930MHz

Lower TDP (65W vs 160W)

Score

Benchmark

FP32 (float)

FireStream 9270 +26%

1.2 TFLOPS

Radeon R9 255 OEM

0.952 TFLOPS

FireStream 9270

VS

Radeon R9 255 OEM

Graphics Card

Nov 2008

Release Date

Dec 2013

FireStream

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

900 MHz

-

Boost Clock

930 MHz

900 MHz

Memory Clock

1150 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

115.2GB/s

Bandwidth

73.60GB/s

Render Config

-

SM Count

-

10

Compute Units

8

800

Shading Units

512

40

TMUs

32

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

Theoretical Performance

12.00 GPixel/s

Pixel Rate

14.88 GPixel/s

30.00 GTexel/s

Texture Rate

29.76 GTexel/s

-

FP16 (half)

-

1200 GFLOPS

FP32 (float)

952.3 GFLOPS

240.0 GFLOPS

FP64 (double)

59.52 GFLOPS

Graphics Processor

RV770

GPU Name

Cape Verde

RV770 XT

GPU Variant

Cape Verde PRX

TeraScale

Architecture

GCN 1.0

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.956 billion

Transistors

1.5 billion

256 mm²

Die Size

123 mm²

Board Design

160W

TDP

65W

450 W

Suggested PSU

250 W

1x DVI

Outputs

No outputs

2x 6-pin

Power Connectors

1x 6-pin

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

-

CUDA

-

4.1

Shader Model

5.1

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