AMD Radeon RX 7990 XTX vs NVIDIA GeForce GTX 1660 Ti

VS

AMD Radeon RX 7990 XTX

NVIDIA GeForce GTX 1660 Ti

We compared two Desktop platform GPUs: 24GB VRAM Radeon RX 7990 XTX and 6GB VRAM GeForce GTX 1660 Ti to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7990 XTX 's Advantages

Boost Clock has increased by 103% (3599MHz vs 1770MHz)

More VRAM (24GB vs 6GB)

Larger VRAM bandwidth (1152GB/s vs 288.0GB/s)

4608 additional rendering cores

NVIDIA GeForce GTX 1660 Ti 's Advantages

Lower TDP (120W vs 405W)

Score

Benchmark

FP32 (float)

Radeon RX 7990 XTX +1526%

88.45 TFLOPS

GeForce GTX 1660 Ti

5.437 TFLOPS

Radeon RX 7990 XTX

VS

GeForce GTX 1660 Ti

Graphics Card

Unknown

Release Date

Feb 2019

Navi III

Generation

GeForce 16

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

2500 MHz

Base Clock

1500 MHz

3599 MHz

Boost Clock

1770 MHz

3000 MHz

Memory Clock

1500 MHz

Memory

24GB

Memory Size

6GB

GDDR6

Memory Type

GDDR6

384bit

Memory Bus

192bit

1152GB/s

Bandwidth

288.0GB/s

Render Config

96

Compute Units

-

SM Count

24

6144

Shading Units

1536

384

TMUs

96

192

ROPs

48

-

96

RT Cores

-

256 KB per Array

L1 Cache

64 KB (per SM)

6 MB

L2 Cache

1536 KB

192 MB

L3 Cache

-

Theoretical Performance

691.0 GPixel/s

Pixel Rate

84.96 GPixel/s

1382 GTexel/s

Texture Rate

169.9 GTexel/s

176.9 TFLOPS

FP16 (half)

10.87 TFLOPS

88.45 TFLOPS

FP32 (float)

5.437 TFLOPS

2.764 TFLOPS

FP64 (double)

169.9 GFLOPS

Board Design

405W

TDP

120W

800 W

Suggested PSU

300 W

1x HDMI 2.1a 2x DisplayPort 2.1 1x USB Type-C

Outputs

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

3x 8-pin

Power Connectors

1x 8-pin

Graphics Processor

Navi 31

GPU Name

TU116

Navi 31 XTX+

GPU Variant

TU116-400-A1

RDNA 3.0

Architecture

Turing

TSMC

Foundry

TSMC

5 nm

Process Size

12 nm

57.7 billion

Transistors

6.6 billion

529 mm²

Die Size

284 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_1)

4.6

OpenGL

4.6

2.2

OpenCL

3.0

1.3

Vulkan

1.3

-

CUDA

7.5

6.7

Shader Model

6.6

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