GPU Comparison

A

AMD

RADEON

AMD Radeon RX 6600S

CORE STATE Navi 23

VRAM 4 GB

CLOCK SPEED 2000 MHz

TDP 80 W

BUS WIDTH 128 bit

ARCHITECTURE RDNA 2.0

nm

PROCESS 7 nm

LAUNCH DATE 2022

VS

NVIDIA

GEFORCE

GeForce RTX 5090 D

CORE STATE GB202

VRAM 32 GB

CLOCK SPEED 2407 MHz

TDP 575 W

BUS WIDTH 512 bit

ARCHITECTURE Blackwell 2.0

nm

PROCESS 5 nm

LAUNCH DATE 2025

PERFORMANCE BENCHMARKS

geekbench_opencl

66,403

375,966

passmark_directx_10

81

231

passmark_directx_11

105

371

passmark_directx_12

56

219

passmark_directx_9

176

434

passmark_g2d

647

1,487

passmark_g3d

12,649

44,065

passmark_gpu_compute

4,879

28,396

3dmark_3dmark_steel_nomad_dx12

N/A

14,326

geekbench_vulkan

N/A

376,915

DETAILED SPECIFICATIONS

SPECIFICATION

RX 6600S

RTX 5090 D

Core Specs

Shading Units

1,792

21,760 +1114.3%

Shaders

1,792

21,760 +1114.3%

TMUs

112

680 +507.1%

ROPs

64

176 +175.0%

Compute Units

28

—

SM Count

—

170

Clocks

Base Clock

1700 MHz

2017 MHz

Boost Clock

2000 MHz

2407 MHz

Game Clock

1881 MHz

—

Memory Clock

1750 MHz 14 Gbps effective

1750 MHz 28 Gbps effective

Memory

Memory Size

4 GB

32 GB

VRAM (MB)

4,096

32,768 +700.0%

Memory Type

GDDR6

GDDR7

Memory Bus

128 bit

512 bit

Bandwidth

224.0 GB/s

1.79 TB/s

Cache

L1 Cache

128 KB per Array

128 KB (per SM)

L2 Cache

2 MB

96 MB

L3 Cache

32 MB

—

L0 Cache

32 KB per WGP

—

Performance

Pixel Rate

128.0 GPixel/s

423.6 GPixel/s

Texture Rate

224.0 GTexel/s

1,636.8 GTexel/s

FP32 (TFLOPS)

7.168 TFLOPS

104.8 TFLOPS

FP64 (TFLOPS)

448.0 GFLOPS (1:16)

1.637 TFLOPS (1:64)

FP16 (TFLOPS)

14.34 TFLOPS (2:1)

104.8 TFLOPS (1:1)

AI/RT

RT Cores

28

170 +507.1%

Tensor Cores

—

680

Power

TDP

80 W

575 W

TDP (W)

80

575 +618.8%

Suggested PSU

—

950 W

Power Connectors

None

1x 16-pin

Architecture

Architecture

RDNA 2.0

Blackwell 2.0

GPU Name

Navi 23

GB202

Generation

Navi Mobile (RX 6000M)

GeForce 50

Process Size

7 nm

5 nm

Transistors

11,060 million

92,200 million

Die Size

237 mm²

750 mm²

Foundry

TSMC

TSMC

Density

46.7M / mm²

122.9M / 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

—

12.0

Shader Model

6.8

6.8

Physical

Slot Width

IGP

Dual-slot

Length

—

304 mm 12 inches

Height

—

137 mm 5.4 inches

Outputs

Portable Device Dependent

1x HDMI 2.1b3x DisplayPort 2.1b

Bus Interface

PCIe 4.0 x8

PCIe 5.0 x16

Other

Launch Price

—

2,299 USD

Production

End-of-life

Active

Predecessor

Polaris Mobile

GeForce 40

View Radeon RX 6600S Details View GeForce RTX 5090 D Details