ATI FireGL V8600 vs NVIDIA GeForce GTX 660 Rev. 2

VS

ATI FireGL V8600

NVIDIA GeForce GTX 660 Rev. 2

We compared two Desktop platform GPUs: 1024MB VRAM FireGL V8600 and 2GB VRAM GeForce GTX 660 Rev. 2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 660 Rev. 2 's Advantages

Released 7 years and 4 months late

Boost Clock1032MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (144.2GB/s vs 111.1GB/s)

640 additional rendering cores

Lower TDP (140W vs 159W)

Score

Benchmark

FP32 (float)

FireGL V8600

0.44 TFLOPS

GeForce GTX 660 Rev. 2 +350%

1.981 TFLOPS

FireGL V8600

VS

GeForce GTX 660 Rev. 2

Graphics Card

May 2007

Release Date

Sep 2014

FireGL

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

980 MHz

-

Boost Clock

1032 MHz

868 MHz

Memory Clock

1502 MHz

Memory

1024MB

Memory Size

2GB

GDDR4

Memory Type

GDDR5

512bit

Memory Bus

192bit

111.1GB/s

Bandwidth

144.2GB/s

Render Config

4

Compute Units

-

320

Shading Units

960

16

TMUs

80

16

ROPs

24

-

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

384 KB

-

Theoretical Performance

11.01 GPixel/s

Pixel Rate

20.64 GPixel/s

11.01 GTexel/s

Texture Rate

82.56 GTexel/s

-

440.3 GFLOPS

FP32 (float)

1.981 TFLOPS

-

FP64 (double)

82.56 GFLOPS

Board Design

159W

TDP

140W

450 W

Suggested PSU

300 W

1x DVI 1x DisplayPort 1x S-Video

Outputs

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

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

R600

GPU Name

GK104

R600 V8600

GPU Variant

-

TeraScale

Architecture

Kepler

TSMC

Foundry

TSMC

80 nm

Process Size

28 nm

0.72 billion

Transistors

3.54 billion

420 mm²

Die Size

294 mm²

Graphics Features

10.0 (10_0)

DirectX

12 (11_0)

3.3 (full) 4.0 (partial)

OpenGL

4.6

N/A

OpenCL

3.0

N/A

Vulkan

1.1

-

CUDA

3.0

4.0

Shader Model

5.1

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