NVIDIA H100 vs XFX Radeon RX 6600 XT Speedster MERC 308 Full Specs - HMC

14,592 Shaders 1.75GHz	2,048 Shaders 2.61GHz
80GB HBM2e2.04TB/s	8GB GDDR6256GB/s
·· 51.22 TFLOPS	·· 10.68 TFLOPS
Form Factor PCIe Card	Form Factor PCIe Card
TDP 350W	TDP 160W
Power Connectors 1x 16-Pin 12VHPWR -	Power Connectors - 1x 8-Pin

H100

H1003.03 POPSINT8 Tensor Sparse

x141.68

Radeon RX 6600 XT Speedster MERC 308

Radeon RX 6600 XT Speedster MERC 30821.36 TFLOPSFP16

x1

Clock Speed ···	Clock Speed ···
Peak OPS 3.03 POPSINT8 Tensor Sparse	Peak OPS 21.36 TFLOPSFP16
Tensor FP8-16 1.51 PFLOPS FP8-16 Tensor Sparse 3.03 PFLOPS Tensor FP8-32 1.51 PFLOPS FP8-32 Tensor Sparse 3.03 PFLOPS	-
Tensor FP16-16 756.4 TFLOPS FP16-16 Tensor Sparse 1.51 PFLOPS Tensor FP16-32 756.4 TFLOPS FP16-32 Tensor Sparse 1.51 PFLOPS	-
BF16 102.4 TFLOPS Tensor BF16 756.4 TFLOPS BF16 Tensor Sparse 1.51 PFLOPS	-
Tensor TF32 378.2 TFLOPS	Tensor TF32 -
FP32 51.22 TFLOPS	FP32 10.68 TFLOPS
FP64 25.61 TFLOPS Tensor FP64 47.28 TFLOPS	FP64 667.4 GFLOPS Tensor FP64 -
Tensor INT8 1.51 POPS	-
Pixel Rate 42.1 GPixel/s	Pixel Rate 166.9 GPixel/s
Texture Rate 800.3 GTexel/s	Texture Rate 333.7 GTexel/s

Shaders 14,592 Shaders	Shaders 2,048 Shaders
TMUs 456 TMUs	TMUs 128 TMUs
ROPs 24 ROPs	ROPs 64 ROPs
Tensor Cores 456 T-Cores	Tensor Cores -
RT Cores -	RT Cores 32 RT-Cores
SMs 114 SMs	CUs 32 CUs

Base Clock 1.06GHz	Base Clock 2.19GHz
Boost Clock 1.75GHz	Boost Clock 2.61GHz
Tensor Clock 1.62GHz	Tensor Clock -

L0 Cache -	L0 Cache 32KB/WGP
L1 64KB/SM Tex	L1 128KB/Array
L2 Cache 50MB shared	L2 Cache 2MB shared
L3 Cache -	L3 Cache 32MB shared
L3 Bandwidth -	L3 Bandwidth 832GB/s

80GB HBM2e	8GB GDDR6
Memory Bus 5120-bit	Memory Bus 128-bit
Memory Speed 3.2GT/s	Memory Speed 16GT/s
Memory Bandwidth 2.04TB/s	Memory Bandwidth 256GB/s
ECC No	ECC No

TDP 350W	TDP 160W
Max Temp -	Max Temp 110°C Max

Max Resolution -	Max Resolution 7680x4320
Refresh Rate Calculator -	Refresh Rate Calculator 7680x4320 Resolution8K UHD Refresh Rate 120Hz
Multi-Monitor -	Multi-Monitor 4
Adaptive Sync G-Sync FreeSync	Adaptive Sync - FreeSync
DSC Not Supported	DSC Supported
HDCP -	HDCP HDCP 2.3

-	3x DisplayPort 1.4 1x HDMI 2.1

Shader Model -	Shader Model 6.5
-	DirectX DirectX 12 Direct3D 12_2
OpenGL - OpenCL 3 Vulkan -	OpenGL 4.6 OpenCL 2.1 Vulkan 1.2
CUDA 9 GFX - PureVideo HD VP11 VDPAU Feature Set K	CUDA - GFX 10.3 PureVideo HD - VDPAU -

-	Encoder VCN 3.0
Codec -	Codec AVC (H.264) HEVC (H.265)

Decoder 7x 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

Form Factor PCIe Card	Form Factor PCIe Card
PCIe PCIe 5.0 x16 2-Slots	PCIe PCIe 4.0 x8 2.5-Slots
Height 111mm (4.37") Width 268mm (10.55") Depth 40mm (1.57")	Height 114mm (4.49") Width 274mm (10.79") Depth 50mm (1.97")
Cooling Passive -	Cooling Open-Air 3x Fans
Power Connectors 1x 16-Pin 12VHPWR	Power Connectors 1x 8-Pin
Multi-GPU Multi-GPU Support Supported Multi-GPU Type NVLink	Multi-GPU Multi-GPU Support Supported Multi-GPU Type Bridgeless

Manufacturer NVIDIA	Manufacturer XFX
Chip Designer NVIDIA	Chip Designer AMD
Architecture Hopper	Architecture RDNA 2
Family Server	Family Radeon RX 6000
Branding	Branding
Codename NV180	Codename Dimgrey Cavefish
Chip Variant -	Chip Variant Navi 23 XL
Market Segment Server	Market Segment Desktop
Release Date Mar 22, 2022	Release Date Aug 11, 2021

Foundry TSMC	Foundry TSMC
Fabrication Node 4N	Fabrication Node N7
Die Size 814mm²	Die Size 237mm²
Transistor Count 80B	Transistor Count 11.1B
Transistor Density 98.28 MTr/mm²	Transistor Density 46.67 MTr/mm²