AMD Radeon RX 6800S vs NVIDIA GeForce RTX 4080 Full Specs

Summary

2,048 Shaders 2.1GHz	9,728 Shaders 2.5GHz
8GB GDDR6256GB/s	16GB GDDR6X716.8GB/s
Peak·FP32·FP16 8.6 TFLOPS	Peak·FP32·FP16 48.74 TFLOPS
Form Factor Soldered	Form Factor PCIe Card
TDP 100W	TDP 320W
Power Connectors -	Power Connectors 1x 16-Pin 12VHPWR

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

Radeon RX 6800S17.2 TFLOPSFP16

x1

GeForce RTX 40801.56 POPSINT4 Tensor Sparse

x90.66

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Theoretical Performance

Clock Speed2100MHz UC·Base·Boost·OC	Clock Speed2505MHz UC·Base·Boost·OC
Peak OPS 17.2 TFLOPSFP16	Peak OPS 1.56 POPSINT4 Tensor Sparse
-	Tensor FP8-16 389.9 TFLOPS FP8-16 Tensor Sparse 779.8 TFLOPS Tensor FP8-32 194.9 TFLOPS FP8-32 Tensor Sparse 389.9 TFLOPS
-	Tensor FP16-16 194.9 TFLOPS FP16-16 Tensor Sparse 389.9 TFLOPS Tensor FP16-32 97.47 TFLOPS FP16-32 Tensor Sparse 194.9 TFLOPS
-	BF16 48.74 TFLOPS Tensor BF16 97.47 TFLOPS BF16 Tensor Sparse 194.9 TFLOPS
Tensor TF32 -	Tensor TF32 48.74 TFLOPS
FP32 8.6 TFLOPS	FP32 48.74 TFLOPS
FP64 537.6 GFLOPS	FP64 761.5 GFLOPS
Tensor INT4 -	Tensor INT4 779.8 TOPS
-	Tensor INT8 389.9 TOPS
Ray -	Ray 112.7 TOPS
Pixel Rate 134.4 GPixel/s	Pixel Rate 280.6 GPixel/s
Texture Rate 268.8 GTexel/s	Texture Rate 761.5 GTexel/s

Core Config

Shaders 2,048 Shaders	Shaders 9,728 Shaders
TMUs 128 TMUs	TMUs 304 TMUs
ROPs 64 ROPs	ROPs 112 ROPs
Tensor Cores -	Tensor Cores 304 T-Cores
RT Cores 32 RT-Cores	RT Cores 76 RT-Cores
CUs 32 CUs	SMs 76 SMs

Clocks

Base Clock 1.8GHz	Base Clock 2.21GHz
Boost Clock 2.1GHz	Boost Clock 2.5GHz

Cache

L2 Cache 2MB shared	L2 Cache 65.5MB shared
L3 Cache 32MB shared	L3 Cache -
L3 Bandwidth 832GB/s	L3 Bandwidth -

Memory

8GB GDDR6	16GB GDDR6X
Memory Bus 128-bit	Memory Bus 256-bit
Memory Speed 16GT/s	Memory Speed 22.4GT/s
Memory Bandwidth 256GB/s	Memory Bandwidth 716.8GB/s

Power & Thermals

TDP 100W	TDP 320W
Max Temp -	Max Temp 90°C Max

Video Output

Multi-Monitor 4	Multi-Monitor 4
HDCP HDCP 2.3	HDCP HDCP 2.3

Ports

-	3x DisplayPort 1.4
-	1x HDMI 2.1

Encoder

Encoder Model VCN 3.0

Encoder Model 2x NVENC 8

Decoder

Decoder Model VCN 3.0

Decoder Model NVDEC 5

Card

Form Factor Soldered	Form Factor PCIe Card
PCIe -	PCIe 3-Slots
-	Height 137 mm (5.39") Width 304 mm (11.97") Depth 61 mm (2.4")
Cooling Passive -	Cooling Open-Air 2x Fans
Power Connectors -	Power Connectors 1x 16-Pin 12VHPWR

Chip

Manufacturer AMD	Manufacturer NVIDIA
Chip Designer AMD	Chip Designer NVIDIA
Architecture RDNA 2	Architecture Ada Lovelace
Family Radeon RX 6000	Family GeForce 40
Branding	Branding
Codename Dimgrey Cavefish	Codename NV183
Chip Variant Navi 23 XL	Chip Variant AD103-275-A1
Market Segment Desktop	Market Segment Desktop
Release Date Jan 4, 2022	Release Date Nov 16, 2022

Fabrication

Foundry TSMC	Foundry TSMC
Fabrication Node N7	Fabrication Node 4N
Die Size 237mm²	Die Size 379mm²
Transistor Count 11.1 Billion	Transistor Count 45.9 Billion
Transistor Density 46.67 MTr/mm²	Transistor Density 121.2 MTr/mm²

Images

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