ATI FireGL V8600 vs AMD Radeon R9 255 OEM

VS

ATI FireGL V8600

AMD Radeon R9 255 OEM

We compared two Desktop platform GPUs: 1024MB VRAM FireGL V8600 and 2GB VRAM Radeon R9 255 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI FireGL V8600 's Advantages

Larger VRAM bandwidth (111.1GB/s vs 73.60GB/s)

AMD Radeon R9 255 OEM 's Advantages

Released 6 years and 7 months late

Boost Clock930MHz

More VRAM (2GB vs 1024GB)

192 additional rendering cores

Lower TDP (65W vs 159W)

Score

Benchmark

FP32 (float)

FireGL V8600

0.44 TFLOPS

Radeon R9 255 OEM +116%

0.952 TFLOPS

FireGL V8600

VS

Radeon R9 255 OEM

Graphics Card

May 2007

Release Date

Dec 2013

FireGL

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

900 MHz

-

Boost Clock

930 MHz

868 MHz

Memory Clock

1150 MHz

Memory

1024MB

Memory Size

2GB

GDDR4

Memory Type

GDDR5

512bit

Memory Bus

128bit

111.1GB/s

Bandwidth

73.60GB/s

Render Config

4

Compute Units

8

-

320

Shading Units

512

16

TMUs

32

16

ROPs

16

-

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

11.01 GPixel/s

Pixel Rate

14.88 GPixel/s

11.01 GTexel/s

Texture Rate

29.76 GTexel/s

-

440.3 GFLOPS

FP32 (float)

952.3 GFLOPS

-

FP64 (double)

59.52 GFLOPS

Board Design

159W

TDP

65W

450 W

Suggested PSU

250 W

1x DVI 1x DisplayPort 1x S-Video

Outputs

No outputs

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

R600

GPU Name

Cape Verde

R600 V8600

GPU Variant

Cape Verde PRX

TeraScale

Architecture

GCN 1.0

TSMC

Foundry

TSMC

80 nm

Process Size

28 nm

0.72 billion

Transistors

1.5 billion

420 mm²

Die Size

123 mm²

Graphics Features

10.0 (10_0)

DirectX

12 (11_1)

3.3 (full) 4.0 (partial)

OpenGL

4.6

N/A

OpenCL

1.2

N/A

Vulkan

1.2

-

4.0

Shader Model

5.1

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