AMD Radeon R9 255 OEM vs ATI FireGL V8650

VS

AMD Radeon R9 255 OEM

ATI FireGL V8650

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 255 OEM and 2GB VRAM FireGL V8650 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 6 years and 4 months late

Boost Clock930MHz

192 additional rendering cores

ATI FireGL V8650 's Advantages

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

Score

Benchmark

FP32 (float)

Radeon R9 255 OEM +116%

0.952 TFLOPS

FireGL V8650

0.44 TFLOPS

Radeon R9 255 OEM

VS

FireGL V8650

Graphics Card

Dec 2013

Release Date

Aug 2007

Volcanic Islands

Generation

FireGL

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

900 MHz

Base Clock

-

930 MHz

Boost Clock

-

1150 MHz

Memory Clock

868 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR4

128bit

Memory Bus

512bit

73.60GB/s

Bandwidth

111.1GB/s

Render Config

8

Compute Units

4

-

512

Shading Units

320

32

TMUs

16

ROPs

16

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

256 KB

-

Theoretical Performance

14.88 GPixel/s

Pixel Rate

11.01 GPixel/s

29.76 GTexel/s

Texture Rate

11.01 GTexel/s

-

952.3 GFLOPS

FP32 (float)

440.3 GFLOPS

59.52 GFLOPS

FP64 (double)

-

Board Design

65W

TDP

Unknown

250 W

Suggested PSU

200 W

No outputs

Outputs

2x DVI 1x S-Video

1x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Cape Verde

GPU Name

R600

Cape Verde PRX

GPU Variant

R600 V8650 (215RGIDKA13FG)

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

80 nm

1.5 billion

Transistors

0.72 billion

123 mm²

Die Size

420 mm²

Graphics Features

12 (11_1)

DirectX

10.0 (10_0)

4.6

OpenGL

3.3 (full) 4.0 (partial)

1.2

OpenCL

N/A

1.2

Vulkan

N/A

-

5.1

Shader Model

4.0

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