NVIDIA GeForce RTX 4080 vs XFX Radeon RX 6800 XT Speedster MERC 319 Full Specs

Summary

9,728 Shaders 2.5GHz	4,608 Shaders 2.25GHz
16GB GDDR6X716.8GB/s	16GB GDDR6512GB/s
Peak·FP32·FP16 48.74 TFLOPS	Peak·FP32·FP16 20.74 TFLOPS
Form Factor PCIe Card	Form Factor PCIe Card
TDP 320W	TDP 300W
Power Connectors 1x 16-Pin 12VHPWR -	Power Connectors - 2x 8-Pin

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 40801.56 POPSINT4 Tensor Sparse

x37.61

Radeon RX 6800 XT Speedster MERC 31941.47 TFLOPSFP16

x1

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Theoretical Performance

Clock Speed2505MHz UC·Base·Boost·OC	Clock Speed2250MHz UC·Base·Boost·OC
Peak OPS 1.56 POPSINT4 Tensor Sparse	Peak OPS 41.47 TFLOPSFP16
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 48.74 TFLOPS	Tensor TF32 -
FP32 48.74 TFLOPS	FP32 20.74 TFLOPS
FP64 761.5 GFLOPS	FP64 1.3 TFLOPS
Tensor INT4 779.8 TOPS	Tensor INT4 -
Tensor INT8 389.9 TOPS	-
Ray 112.7 TOPS	Ray -
Pixel Rate 280.6 GPixel/s	Pixel Rate 288 GPixel/s
Texture Rate 761.5 GTexel/s	Texture Rate 648 GTexel/s

Core Config

Shaders 9,728 Shaders	Shaders 4,608 Shaders
TMUs 304 TMUs	TMUs 288 TMUs
ROPs 112 ROPs	ROPs 128 ROPs
Tensor Cores 304 T-Cores	Tensor Cores -
RT Cores 76 RT-Cores	RT Cores 72 RT-Cores
SMs 76 SMs	CUs 72 CUs

Clocks

Base Clock 2.21GHz	Base Clock 1.82GHz
Boost Clock 2.5GHz	Boost Clock 2.25GHz

Cache

L2 Cache 65.5MB shared	L2 Cache 4.1MB shared
L3 Cache -	L3 Cache 128MB shared
L3 Bandwidth -	L3 Bandwidth 1.66TB/s

Memory

16GB GDDR6X	16GB GDDR6
Memory Bus 256-bit	Memory Bus 256-bit
Memory Speed 22.4GT/s	Memory Speed 16GT/s
Memory Bandwidth 716.8GB/s	Memory Bandwidth 512GB/s

Power & Thermals

TDP 320W	TDP 300W
Max Temp 90°C Max	Max Temp 110°C Max

Video Output

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

Ports

3x DisplayPort 1.4	3x DisplayPort 1.4
1x HDMI 2.1	1x HDMI 2.1

Encoder

Encoder Model 2x NVENC 8

Encoder Model VCN 3.0

Decoder

Decoder Model NVDEC 5

Decoder Model VCN 3.0

Card

Form Factor PCIe Card	Form Factor PCIe Card
PCIe 3-Slots	PCIe 2.7-Slots
Height 137 mm (5.39") Width 304 mm (11.97") Depth 61 mm (2.4")	Height 138 mm (5.43") Width 340 mm (13.39") Depth 54 mm (2.13")
Cooling Open-Air 2x Fans	Cooling Open-Air 3x Fans
Power Connectors 1x 16-Pin 12VHPWR	Power Connectors 2x 8-Pin

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 Sienna Cichlid
Chip Variant AD103-275-A1	Chip Variant Navi 21 XL
Market Segment Desktop	Market Segment Desktop
Release Date Nov 16, 2022	Release Date Nov 18, 2020

Fabrication

Foundry TSMC	Foundry TSMC
Fabrication Node 4N	Fabrication Node N7
Die Size 379mm²	Die Size 520mm²
Transistor Count 45.9 Billion	Transistor Count 26.8 Billion
Transistor Density 121.2 MTr/mm²	Transistor Density 51.56 MTr/mm²

Images

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Competitors

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XFXRadeon RX 6800 XT Speedster MERC 319 vs GPU AMDRadeon RX 9070 XT XFXRadeon RX 6800 XT Speedster MERC 319 vs GPU AMDRadeon RX 7800 XT XFXRadeon RX 6800 XT Speedster MERC 319 vs GPU AMDRadeon RX 7900 GRE Show 12 more