GPU Comparison

A

AMD

RADEON

AMD Radeon RX 6600 XT

CORE STATE Navi 23

VRAM 8 GB

CLOCK SPEED 2589 MHz

TDP 160 W

BUS WIDTH 128 bit

ARCHITECTURE RDNA 2.0

nm

PROCESS 7 nm

LAUNCH DATE 2021

VS

NVIDIA

GEFORCE

Switch GPU 20nm

CORE STATE GM20B

VRAM 4 GB

CLOCK SPEED 768 MHz

TDP 15 W

BUS WIDTH 64 bit

ARCHITECTURE Maxwell 2.0

nm

PROCESS 20 nm

LAUNCH DATE 2017

PERFORMANCE BENCHMARKS

3dmark_3dmark_steel_nomad_dx12

1,804

N/A

geekbench_metal

108,608

N/A

geekbench_opencl

82,736

N/A

geekbench_vulkan

89,263

N/A

passmark_directx_10

109

N/A

passmark_directx_11

163

N/A

passmark_directx_12

61

N/A

passmark_directx_9

194

N/A

passmark_g2d

912

N/A

passmark_g3d

16,461

N/A

passmark_gpu_compute

7,520

N/A

DETAILED SPECIFICATIONS

SPECIFICATION

RX 6600 XT

Switch GPU 20nm

Core Specs

Shading Units

2,048

256 -87.5%

Shaders

2,048

256 -87.5%

TMUs

128

16 -87.5%

ROPs

64

16 -75.0%

Compute Units

32

—

Clocks

Base Clock

1968 MHz

384 MHz

Boost Clock

2589 MHz

768 MHz

Game Clock

2359 MHz

—

Memory Clock

2000 MHz 16 Gbps effective

1600 MHz 3.2 Gbps effective

Memory

Memory Size

8 GB

4 GB

VRAM (MB)

8,192

4,096 -50.0%

Memory Type

GDDR6

DDR4

Memory Bus

128 bit

64 bit

Bandwidth

256.0 GB/s

25.60 GB/s

Cache

L1 Cache

128 KB per Array

—

L2 Cache

2 MB

—

L3 Cache

32 MB

—

L0 Cache

32 KB per WGP

—

Performance

Pixel Rate

165.7 GPixel/s

12.29 GPixel/s

Texture Rate

331.4 GTexel/s

12.29 GTexel/s

FP32 (TFLOPS)

10.60 TFLOPS

393.2 GFLOPS

FP64 (TFLOPS)

662.8 GFLOPS (1:16)

12.29 GFLOPS (1:32)

FP16 (TFLOPS)

21.21 TFLOPS (2:1)

786.4 GFLOPS (2:1)

AI/RT

RT Cores

32

—

Power

TDP

160 W

15 W

TDP (W)

160

15 -90.6%

Suggested PSU

450 W

—

Power Connectors

1x 8-pin

—

Architecture

Architecture

RDNA 2.0

Maxwell 2.0

GPU Name

Navi 23

GM20B

Generation

Navi II (RX 6000)

Console GPU (Nintendo)

Process Size

7 nm

20 nm

Transistors

11,060 million

2,000 million

Die Size

237 mm²

118 mm²

Foundry

TSMC

TSMC

Density

46.7M / mm²

16.9M / mm²

API Support

DirectX

12 Ultimate (12_2)

12 (12_1)

OpenGL

4.6

4.6

Vulkan

1.4

1.4

OpenCL

2.1

1.2

CUDA

—

5.3

Shader Model

6.8

6.0

Physical

Slot Width

Dual-slot

—

Length

190 mm 7.5 inches

239 mm 9.4 inches

Height

110 mm 4.3 inches

101 mm 4 inches

Outputs

1x HDMI 2.13x DisplayPort 1.4a

1x USB Type-C

Bus Interface

PCIe 4.0 x8

—

Other

Launch Price

379 USD

299 USD

Production

End-of-life

End-of-life

Predecessor

Navi

—

Successor

Navi III

—

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