NVIDIA GeForce RTX 4090 Max-Q vs XFX Radeon RX 6400 Speedster SWFT 105 Full Specs

Summary

9,728 Shaders 1.46GHz	768 Shaders 2.32GHz
16GB GDDR6576GB/s	4GB GDDR6112GB/s
Peak·FP32·FP16 28.31 TFLOPS	Peak·FP32·FP16 3.56 TFLOPS
Form Factor Soldered	Form Factor PCIe Card
TDP 80W	TDP 53W

Highlights

Peak OPS

Peak OPS FP32 FP16 Tensor FP8-16 FP8-16 Tensor Sparse Tensor FP8-32 FP8-32 Tensor Sparse Tensor FP16-16 FP16-16 Tensor Sparse Tensor FP16-32 FP16-32 Tensor Sparse FP64 BF16 Tensor BF16 BF16 Tensor Sparse Tensor TF32 Tensor INT8 Tensor INT4 Memory Bandwidth TDP

GeForce RTX 4090 Max-Q905.9 TOPSINT4 Tensor Sparse

x127.05

Radeon RX 6400 Speedster SWFT 1057.13 TFLOPSFP16

x1

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Theoretical Performance

Clock Speed1455MHz UC·Base·Boost·OC	Clock Speed2321MHz UC·Base·Boost·OC
Peak OPS 905.9 TOPSINT4 Tensor Sparse	Peak OPS 7.13 TFLOPSFP16
Tensor FP8-16 226.5 TFLOPS FP8-16 Tensor Sparse 452.9 TFLOPS Tensor FP8-32 113.2 TFLOPS FP8-32 Tensor Sparse 226.5 TFLOPS	-
Tensor FP16-16 113.2 TFLOPS FP16-16 Tensor Sparse 226.5 TFLOPS Tensor FP16-32 56.62 TFLOPS FP16-32 Tensor Sparse 113.2 TFLOPS	-
BF16 28.31 TFLOPS Tensor BF16 56.62 TFLOPS BF16 Tensor Sparse 113.2 TFLOPS	-
Tensor TF32 28.31 TFLOPS	Tensor TF32 -
FP32 28.31 TFLOPS	FP32 3.56 TFLOPS
FP64 442.3 GFLOPS	FP64 222.8 GFLOPS
Tensor INT4 452.9 TOPS	Tensor INT4 -
Tensor INT8 226.5 TOPS	-
Ray 65.43 TOPS	Ray -
Pixel Rate 163 GPixel/s	Pixel Rate 74.3 GPixel/s
Texture Rate 442.3 GTexel/s	Texture Rate 111.4 GTexel/s

Core Config

Shaders 9,728 Shaders	Shaders 768 Shaders
TMUs 304 TMUs	TMUs 48 TMUs
ROPs 112 ROPs	ROPs 32 ROPs
Tensor Cores 304 T-Cores	Tensor Cores -
RT Cores 76 RT-Cores	RT Cores 12 RT-Cores
SMs 76 SMs	CUs 12 CUs

Clocks

Base Clock 930MHz	Base Clock 2.04GHz
Boost Clock 1.46GHz	Boost Clock 2.32GHz

Cache

L0 Cache -	L0 Cache 32KB/WGP
L1 64KB/SM Tex	L1 128KB/Array
L2 Cache 64MB shared	L2 Cache 1MB shared
L3 Cache -	L3 Cache 8MB shared
L3 Bandwidth -	L3 Bandwidth 208GB/s

Memory

16GB GDDR6	4GB GDDR6
Memory Bus 256-bit	Memory Bus 64-bit
Memory Speed 18GT/s	Memory Speed 14GT/s
Memory Bandwidth 576GB/s	Memory Bandwidth 112GB/s
ECC No	ECC No

Power & Thermals

TDP 80W	TDP 53W
Max Temp -	Max Temp 110°C Max

Video Output

Max Resolution 7680x4320	Max Resolution 7680x4320
Refresh Rate Calculator 7680x4320 Resolution8K UHD Refresh Rate 60Hz	Refresh Rate Calculator 7680x4320 Resolution8K UHD Refresh Rate 120Hz
Multi-Monitor 4	Multi-Monitor 2
Adaptive Sync G-Sync FreeSync	Adaptive Sync - FreeSync
DSC Supported	DSC Supported
HDCP HDCP 2.3	HDCP HDCP 2.3

Ports

-	1x DisplayPort 1.4 1x HDMI 2.1

API Support

Shader Model 6.6	Shader Model 6.6
DirectX DirectX 12 Direct3D 12_3	DirectX DirectX 12 Direct3D 12_2
OpenGL 4.6 OpenCL 3 Vulkan 1.3	OpenGL 4.6 OpenCL 2.2 Vulkan 1.3
CUDA 8.9 GFX - PureVideo HD VP12 VDPAU Feature Set L	CUDA - GFX 10.3 PureVideo HD - VDPAU -

Encoder

Encoder 2x NVENC 8	-
Codec AVC (H.264) HEVC (H.265) AV1	Codec -

Decoder

Decoder NVDEC 5	Decoder VCN 3.0
Codec MPEG-1 MPEG-2 MPEG-4 - VC-1 VP8 VP9 AVC (H.264) HEVC (H.265) AV1	Codec MPEG-1 MPEG-2 MPEG-4 JPEG VC-1 - VP9 AVC (H.264) HEVC (H.265) AV1

Card

Form Factor Soldered	Form Factor PCIe Card
PCIe PCIe 4.0 x16 -	PCIe PCIe 4.0 x4 0.7-Slots
-	Height 68mm (2.68") Width 155mm (6.1") Depth 15mm (0.59")
Cooling Open-Air -	Cooling Open-Air 1x Fan
Multi-GPU -	Multi-GPU Multi-GPU Support Supported Multi-GPU Type Bridgeless

Chip

Manufacturer NVIDIA	Manufacturer XFX
Chip Designer NVIDIA	Chip Designer AMD
Architecture Ada Lovelace	Architecture RDNA 2
Family GeForce 40	Family Radeon RX 6000
Branding	Branding
Codename NV183	Codename Beige Goby
Chip Variant AD103-275-A1	Chip Variant Navi 24 XL
Market Segment Laptop	Market Segment Desktop
Release Date Feb 8, 2023	Release Date Apr 20, 2022

Fabrication

Foundry TSMC	Foundry TSMC
Fabrication Node 4N	Fabrication Node N6
Die Size 379mm²	Die Size 107mm²
Transistor Count 45.9B	Transistor Count 5.4B
Transistor Density 121.2 MTr/mm²	Transistor Density 50.47 MTr/mm²

Images