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

Quadro K420

CORE STATE GK107

VRAM 1024 MB

CLOCK SPEED —

TDP 41 W

BUS WIDTH 128 bit

ARCHITECTURE Kepler

nm

PROCESS 28 nm

LAUNCH DATE 2014

PERFORMANCE BENCHMARKS

3dmark_3dmark_steel_nomad_dx12

1,804

N/A

geekbench_metal

108,608

N/A

geekbench_opencl

82,736

1,840

geekbench_vulkan

89,263

1,851

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

Quadro K420

Core Specs

Shading Units

2,048

192 -90.6%

Shaders

2,048

192 -90.6%

TMUs

128

16 -87.5%

ROPs

64

16 -75.0%

Compute Units

32

—

Clocks

Base Clock

1968 MHz

—

Boost Clock

2589 MHz

—

GPU Clock

—

876 MHz

Game Clock

2359 MHz

—

Memory Clock

2000 MHz 16 Gbps effective

891 MHz 1782 Mbps effective

Memory

Memory Size

8 GB

1024 MB

VRAM (MB)

8,192

1,024 -87.5%

Memory Type

GDDR6

DDR3

Memory Bus

128 bit

128 bit

Bandwidth

256.0 GB/s

28.51 GB/s

Cache

L1 Cache

128 KB per Array

16 KB (per SMX)

L2 Cache

2 MB

256 KB

L3 Cache

32 MB

—

L0 Cache

32 KB per WGP

—

Performance

Pixel Rate

165.7 GPixel/s

3.504 GPixel/s

Texture Rate

331.4 GTexel/s

14.02 GTexel/s

FP32 (TFLOPS)

10.60 TFLOPS

336.4 GFLOPS

FP64 (TFLOPS)

662.8 GFLOPS (1:16)

14.02 GFLOPS (1:24)

FP16 (TFLOPS)

21.21 TFLOPS (2:1)

—

AI/RT

RT Cores

32

—

Power

TDP

160 W

41 W

TDP (W)

160

41 -74.4%

Suggested PSU

450 W

200 W

Power Connectors

1x 8-pin

None

Architecture

Architecture

RDNA 2.0

Kepler

GPU Name

Navi 23

GK107

Generation

Navi II (RX 6000)

Quadro Kepler (Kx200)

Process Size

7 nm

28 nm

Transistors

11,060 million

1,270 million

Die Size

237 mm²

118 mm²

Foundry

TSMC

TSMC

Density

46.7M / mm²

10.8M / mm²

API Support

DirectX

12 Ultimate (12_2)

12 (11_0)

OpenGL

4.6

4.6

Vulkan

1.4

1.2.175

OpenCL

2.1

3.0

CUDA

—

3.0

Shader Model

6.8

6.5 (5.1)

Physical

Slot Width

Dual-slot

Single-slot

Length

190 mm 7.5 inches

160 mm 6.3 inches

Height

110 mm 4.3 inches

69 mm 2.7 inches

Outputs

1x HDMI 2.13x DisplayPort 1.4a

1x DVI1x DisplayPort 1.2

Bus Interface

PCIe 4.0 x8

PCIe 2.0 x16

Other

Launch Price

379 USD

—

Production

End-of-life

End-of-life

Predecessor

Navi

Quadro Fermi

Successor

Navi III

Quadro Maxwell

View Radeon RX 6600 XT Details View Quadro K420 Details