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

GeForce RTX 4090 D

CORE STATE AD102

VRAM 24 GB

CLOCK SPEED 2520 MHz

TDP 425 W

BUS WIDTH 384 bit

ARCHITECTURE Ada Lovelace

nm

PROCESS 5 nm

LAUNCH DATE 2023

PERFORMANCE BENCHMARKS

3dmark_3dmark_steel_nomad_dx12

1,804

8,587

geekbench_metal

108,608

N/A

geekbench_opencl

82,736

271,315

geekbench_vulkan

89,263

244,421

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

RTX 4090 D

Core Specs

Shading Units

2,048

14,592 +612.5%

Shaders

2,048

14,592 +612.5%

TMUs

128

456 +256.3%

ROPs

64

176 +175.0%

Compute Units

32

—

SM Count

—

114

Clocks

Base Clock

1968 MHz

2280 MHz

Boost Clock

2589 MHz

2520 MHz

Game Clock

2359 MHz

—

Memory Clock

2000 MHz 16 Gbps effective

1313 MHz 21 Gbps effective

Memory

Memory Size

8 GB

24 GB

VRAM (MB)

8,192

24,576 +200.0%

Memory Type

GDDR6

GDDR6X

Memory Bus

128 bit

384 bit

Bandwidth

256.0 GB/s

1.01 TB/s

Cache

L1 Cache

128 KB per Array

128 KB (per SM)

L2 Cache

2 MB

72 MB

L3 Cache

32 MB

—

L0 Cache

32 KB per WGP

—

Performance

Pixel Rate

165.7 GPixel/s

443.5 GPixel/s

Texture Rate

331.4 GTexel/s

1,149.1 GTexel/s

FP32 (TFLOPS)

10.60 TFLOPS

73.54 TFLOPS

FP64 (TFLOPS)

662.8 GFLOPS (1:16)

1,149.1 GFLOPS (1:64)

FP16 (TFLOPS)

21.21 TFLOPS (2:1)

73.54 TFLOPS (1:1)

AI/RT

RT Cores

32

114 +256.3%

Tensor Cores

—

456

Power

TDP

160 W

425 W

TDP (W)

160

425 +165.6%

Suggested PSU

450 W

800 W

Power Connectors

1x 8-pin

1x 16-pin

Architecture

Architecture

RDNA 2.0

Ada Lovelace

GPU Name

Navi 23

AD102

Generation

Navi II (RX 6000)

GeForce 40

Process Size

7 nm

5 nm

Transistors

11,060 million

76,300 million

Die Size

237 mm²

609 mm²

Foundry

TSMC

TSMC

Density

46.7M / mm²

125.3M / mm²

API Support

DirectX

12 Ultimate (12_2)

12 Ultimate (12_2)

OpenGL

4.6

4.6

Vulkan

1.4

1.4

OpenCL

2.1

3.0

CUDA

—

8.9

Shader Model

6.8

6.8

Physical

Slot Width

Dual-slot

Triple-slot

Length

190 mm 7.5 inches

304 mm 12 inches

Height

110 mm 4.3 inches

137 mm 5.4 inches

Outputs

1x HDMI 2.13x DisplayPort 1.4a

1x HDMI 2.13x DisplayPort 1.4a

Bus Interface

PCIe 4.0 x8

PCIe 4.0 x16

Other

Launch Price

379 USD

1,599 USD

Production

End-of-life

End-of-life

Predecessor

Navi

GeForce 30

Successor

Navi III

GeForce 50

View Radeon RX 6600 XT Details View GeForce RTX 4090 D Details