AMD Radeon R9 255 OEM vs ATI FirePro V9800P

VS

AMD Radeon R9 255 OEM

ATI FirePro V9800P

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 255 OEM and 4GB VRAM FirePro V9800P to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 255 OEM 's Advantages

Released 3 years and 3 months late

Boost Clock930MHz

Lower TDP (65W vs 225W)

ATI FirePro V9800P 's Advantages

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (147.2GB/s vs 73.60GB/s)

1088 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 255 OEM

0.952 TFLOPS

FirePro V9800P +185%

2.72 TFLOPS

Radeon R9 255 OEM

VS

FirePro V9800P

Graphics Card

Dec 2013

Release Date

Sep 2010

Volcanic Islands

Generation

FirePro

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

900 MHz

Base Clock

-

930 MHz

Boost Clock

-

1150 MHz

Memory Clock

1150 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

73.60GB/s

Bandwidth

147.2GB/s

Render Config

8

Compute Units

20

-

512

Shading Units

1600

32

TMUs

80

16

ROPs

32

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

14.88 GPixel/s

Pixel Rate

27.20 GPixel/s

29.76 GTexel/s

Texture Rate

68.00 GTexel/s

-

952.3 GFLOPS

FP32 (float)

2.720 TFLOPS

59.52 GFLOPS

FP64 (double)

544.0 GFLOPS

Board Design

65W

TDP

225W

250 W

Suggested PSU

550 W

No outputs

Outputs

1x DisplayPort 1.1

1x 6-pin

Power Connectors

1x 8-pin

Graphics Processor

Cape Verde

GPU Name

Cypress

Cape Verde PRX

GPU Variant

Cypress XT GL

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.5 billion

Transistors

2.154 billion

123 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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