GPU Comparison

A

AMD

RADEON

AMD Radeon RX 6600

CORE STATE Navi 23

VRAM 8 GB

CLOCK SPEED 2491 MHz

TDP 132 W

BUS WIDTH 128 bit

ARCHITECTURE RDNA 2.0

nm

PROCESS 7 nm

LAUNCH DATE 2021

VS

NVIDIA

GEFORCE

GeForce GTX 1660 Ti

CORE STATE TU116

VRAM 6 GB

CLOCK SPEED 1770 MHz

TDP 120 W

BUS WIDTH 192 bit

ARCHITECTURE Turing

nm

PROCESS 12 nm

LAUNCH DATE 2019

PERFORMANCE BENCHMARKS

3dmark_3dmark_steel_nomad_dx12

1,492

1,061

geekbench_metal

99,441

N/A

geekbench_opencl

73,130

60,863

geekbench_vulkan

80,492

58,014

passmark_directx_10

95

66

passmark_directx_11

152

103

passmark_directx_12

51

51

passmark_directx_9

197

190

passmark_g2d

889

804

passmark_g3d

15,096

12,871

passmark_gpu_compute

6,554

5,226

DETAILED SPECIFICATIONS

SPECIFICATION

RX 6600

GTX 1660 Ti

Core Specs

Shading Units

1,792

1,536 -14.3%

Shaders

1,792

1,536 -14.3%

TMUs

112

96 -14.3%

ROPs

64

48 -25.0%

Compute Units

28

—

SM Count

—

24

Clocks

Base Clock

1626 MHz

1500 MHz

Boost Clock

2491 MHz

1770 MHz

Game Clock

2044 MHz

—

Memory Clock

1750 MHz 14 Gbps effective

1500 MHz 12 Gbps effective

Memory

Memory Size

8 GB

6 GB

VRAM (MB)

8,192

6,144 -25.0%

Memory Type

GDDR6

GDDR6

Memory Bus

128 bit

192 bit

Bandwidth

224.0 GB/s

288.0 GB/s

Cache

L1 Cache

128 KB per Array

64 KB (per SM)

L2 Cache

2 MB

1536 KB

L3 Cache

32 MB

—

L0 Cache

32 KB per WGP

—

Performance

Pixel Rate

159.4 GPixel/s

84.96 GPixel/s

Texture Rate

279.0 GTexel/s

169.9 GTexel/s

FP32 (TFLOPS)

8.928 TFLOPS

5.437 TFLOPS

FP64 (TFLOPS)

558.0 GFLOPS (1:16)

169.9 GFLOPS (1:32)

FP16 (TFLOPS)

17.86 TFLOPS (2:1)

10.87 TFLOPS (2:1)

AI/RT

RT Cores

28

—

Power

TDP

132 W

120 W

TDP (W)

132

120 -9.1%

Suggested PSU

300 W

300 W

Power Connectors

1x 8-pin

1x 8-pin

Architecture

Architecture

RDNA 2.0

Turing

GPU Name

Navi 23

TU116

Generation

Navi II (RX 6000)

GeForce 16

Process Size

7 nm

12 nm

Transistors

11,060 million

6,600 million

Die Size

237 mm²

284 mm²

Foundry

TSMC

TSMC

Density

46.7M / mm²

23.2M / mm²

API Support

DirectX

12 Ultimate (12_2)

12 (12_1)

OpenGL

4.6

4.6

Vulkan

1.4

1.4

OpenCL

2.1

3.0

CUDA

—

7.5

Shader Model

6.8

6.8

Physical

Slot Width

Dual-slot

Dual-slot

Length

190 mm 7.5 inches

229 mm 9 inches

Height

110 mm 4.3 inches

111 mm 4.4 inches

Outputs

1x HDMI 2.13x DisplayPort 1.4a

1x DVI1x HDMI 2.01x DisplayPort 1.4a

Bus Interface

PCIe 4.0 x8

PCIe 3.0 x16

Other

Launch Price

329 USD

279 USD

Production

End-of-life

End-of-life

Predecessor

Navi

GeForce 10

Successor

Navi III

GeForce 20

View Radeon RX 6600 Details View GeForce GTX 1660 Ti Details