ATI Radeon X1950 GT AGP vs NVIDIA GeForce GTX 660

VS

ATI Radeon X1950 GT AGP NVIDIA GeForce GTX 660

We compared two Desktop platform GPUs: 256MB VRAM Radeon X1950 GT AGP and 2GB VRAM GeForce GTX 660 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon X1950 GT AGP 's Advantages

Lower TDP (57W vs 140W)

NVIDIA GeForce GTX 660 's Advantages

Released 5 years and 7 months late

Boost Clock1032MHz

Larger VRAM bandwidth (144.2GB/s vs 38.40GB/s)

960 additional rendering cores

Score

Radeon X1950 GT AGP

VS

GeForce GTX 660

Graphics Card

Feb 2007

Release Date

Sep 2012

Radeon R500 AGP

Generation

GeForce 600

Desktop

Type

Desktop

AGP 8x

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

980 MHz

-

Boost Clock

1032 MHz

600 MHz

Memory Clock

1502 MHz

Memory

256MB

Memory Size

2GB

GDDR3

Memory Type

GDDR5

256bit

Memory Bus

192bit

38.40GB/s

Bandwidth

144.2GB/s

Render Config

-

SM Count

-

Compute Units

-

Shading Units

960

12

TMUs

80

12

ROPs

24

-

Tensor Cores

-

RT Cores

-

L1 Cache

16 KB (per SMX)

-

L2 Cache

384 KB

Theoretical Performance

6.000 GPixel/s

Pixel Rate

20.64 GPixel/s

6.000 GTexel/s

Texture Rate

82.56 GTexel/s

-

FP16 (half)

-

FP32 (float)

1.981 TFLOPS

-

FP64 (double)

82.56 GFLOPS

Graphics Processor

RV570

GPU Name

GK106

RV570 XL

GPU Variant

GK106-400-A1

R500

Architecture

Kepler

TSMC

Foundry

TSMC

80 nm

Process Size

28 nm

0.33 billion

Transistors

2.54 billion

230 mm²

Die Size

221 mm²

Board Design

57W

TDP

140W

250 W

Suggested PSU

300 W

2x DVI 1x S-Video

Outputs

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

2x Molex

Power Connectors

1x 6-pin

Graphics Features

9.0c (9_3)

DirectX

12 (11_0)

2.1 (full) 3.0 (partial)

OpenGL

4.6

N/A

OpenCL

3.0

N/A

Vulkan

1.1

-

CUDA

3.0

Shader Model

5.1

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