AMD Radeon RX 9070 XT vs NVIDIA GeForce GTX 660

VS

AMD Radeon RX 9070 XT

NVIDIA GeForce GTX 660

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 9070 XT and 2GB VRAM GeForce GTX 660 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 9070 XT 's Advantages

Boost Clock has increased by 162% (2700MHz vs 1032MHz)

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (624.1GB/s vs 144.2GB/s)

3136 additional rendering cores

NVIDIA GeForce GTX 660 's Advantages

Lower TDP (140W vs 260W)

Score

Benchmark

FP32 (float)

Radeon RX 9070 XT +1016%

22.12 TFLOPS

GeForce GTX 660

1.981 TFLOPS

Radeon RX 9070 XT

VS

GeForce GTX 660

Graphics Card

Unknown

Release Date

Sep 2012

Navi IV(RX 9000)

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

2210 MHz

Base Clock

980 MHz

2700 MHz

Boost Clock

1032 MHz

2438 MHz

Memory Clock

1502 MHz

Memory

16GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

192bit

624.1GB/s

Bandwidth

144.2GB/s

Render Config

64

Compute Units

-

4096

Shading Units

960

256

TMUs

80

96

ROPs

24

-

64

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per SMX)

4 MB

L2 Cache

384 KB

64 MB

L3 Cache

-

Theoretical Performance

259.2 GPixel/s

Pixel Rate

20.64 GPixel/s

691.2 GTexel/s

Texture Rate

82.56 GTexel/s

44.24 TFLOPS

FP16 (half)

-

22.12 TFLOPS

FP32 (float)

1.981 TFLOPS

691.2 GFLOPS

FP64 (double)

82.56 GFLOPS

Board Design

260W

TDP

140W

600 W

Suggested PSU

300 W

1x HDMI 2.1a3x DisplayPort 2.1

Outputs

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

2x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

Navi 48

GPU Name

GK106

Navi 48 XT

GPU Variant

GK106-400-A1

RDNA 4.0

Architecture

Kepler

TSMC

Foundry

TSMC

4 nm

Process Size

28 nm

Unknown

Transistors

2.54 billion

Unknown

Die Size

221 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.2

OpenCL

3.0

1.3

Vulkan

1.1

-

CUDA

3.0

6.8

Shader Model

5.1

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