NVIDIA GeForce GTX 1660 vs ATI Radeon HD 2900 GT

VS

NVIDIA GeForce GTX 1660

ATI Radeon HD 2900 GT

We compared two Desktop platform GPUs: 6GB VRAM GeForce GTX 1660 and 256MB VRAM Radeon HD 2900 GT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 1660 's Advantages

Released 11 years and 4 months late

Boost Clock1785MHz

More VRAM (6GB vs 256GB)

Larger VRAM bandwidth (192.1GB/s vs 51.20GB/s)

1168 additional rendering cores

Lower TDP (120W vs 150W)

Score

Benchmark

FP32 (float)

GeForce GTX 1660 +1645%

5.027 TFLOPS

Radeon HD 2900 GT

0.288 TFLOPS

GeForce GTX 1660

VS

Radeon HD 2900 GT

Graphics Card

Mar 2019

Release Date

Nov 2007

GeForce 16

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

1530 MHz

Base Clock

-

1785 MHz

Boost Clock

-

2001 MHz

Memory Clock

800 MHz

Memory

6GB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

192bit

Memory Bus

256bit

192.1GB/s

Bandwidth

51.20GB/s

Render Config

-

Compute Units

3

22

SM Count

-

1408

Shading Units

240

88

TMUs

12

48

ROPs

12

-

64 KB (per SM)

L1 Cache

-

1536 KB

L2 Cache

128 KB

-

Theoretical Performance

85.68 GPixel/s

Pixel Rate

7.212 GPixel/s

157.1 GTexel/s

Texture Rate

7.212 GTexel/s

10.05 TFLOPS

FP16 (half)

-

5.027 TFLOPS

FP32 (float)

288.5 GFLOPS

157.1 GFLOPS

FP64 (double)

-

Board Design

120W

TDP

150W

300 W

Suggested PSU

450 W

1x DVI 1x HDMI 2.0 1x DisplayPort 1.4a

Outputs

2x DVI 1x S-Video

1x 8-pin

Power Connectors

1x 8-pin

Graphics Processor

TU116

GPU Name

R600

TU116-300-A1

GPU Variant

R600 GT (215RGFDKA13FG)

Turing

Architecture

TeraScale

TSMC

Foundry

TSMC

12 nm

Process Size

80 nm

6.6 billion

Transistors

0.72 billion

284 mm²

Die Size

420 mm²

Graphics Features

12 (12_1)

DirectX

10.0 (10_0)

4.6

OpenGL

3.3 (full) 4.0 (partial)

3.0

OpenCL

N/A

1.3

Vulkan

N/A

7.5

CUDA

-

6.6

Shader Model

4.0

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