AMD Radeon RX 7800 XT vs NVIDIA GeForce RTX 3080 12GB Full Specs

Summary

3,840 Shaders 2.43GHz	8,960 Shaders 1.71GHz
16GB GDDR6620.8GB/s	12GB GDDR6X912.4GB/s
Peak·FP32·FP16 37.32 TFLOPS	Peak·FP32·FP16 30.64 TFLOPS
Form Factor PCIe Card	Form Factor PCIe Card
TDP 263W	TDP 350W
Power Connectors - 2x 8-Pin	Power Connectors 1x 12-Pin -

Highlights

Peak OPS

Peak OPS FP32 FP16 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 7800 XT149.3 TOPSINT4 Tensor

x1

GeForce RTX 3080 12GB980.6 TOPSINT4 Tensor Sparse

x6.57

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Theoretical Performance

Clock Speed2430MHz UC·Base·Boost·OC	Clock Speed1710MHz UC·Base·Boost·OC
Peak OPS 149.3 TOPSINT4 Tensor	Peak OPS 980.6 TOPSINT4 Tensor Sparse
Tensor FP16-16 37.32 TFLOPS FP16-16 Tensor Sparse - Tensor FP16-32 37.32 TFLOPS FP16-32 Tensor Sparse -	Tensor FP16-16 122.6 TFLOPS FP16-16 Tensor Sparse 245.1 TFLOPS Tensor FP16-32 61.29 TFLOPS FP16-32 Tensor Sparse 122.6 TFLOPS
BF16 74.65 TFLOPS Tensor BF16 37.32 TFLOPS BF16 Tensor Sparse -	BF16 30.64 TFLOPS Tensor BF16 61.29 TFLOPS BF16 Tensor Sparse 122.6 TFLOPS
Tensor TF32 -	Tensor TF32 30.64 TFLOPS
FP32 37.32 TFLOPS	FP32 30.64 TFLOPS
FP64 1.17 TFLOPS	FP64 478.8 GFLOPS
Tensor INT4 149.3 TOPS	Tensor INT4 490.3 TOPS
Tensor INT8 37.32 TOPS	Tensor INT8 245.1 TOPS
Ray -	Ray 46.22 TOPS
Pixel Rate 233.3 GPixel/s	Pixel Rate 191.5 GPixel/s
Texture Rate 583.2 GTexel/s	Texture Rate 478.8 GTexel/s

Core Config

Shaders 3,840 Shaders	Shaders 8,960 Shaders
TMUs 240 TMUs	TMUs 280 TMUs
ROPs 96 ROPs	ROPs 112 ROPs
Tensor Cores 120 T-Cores	Tensor Cores 280 T-Cores
RT Cores 60 RT-Cores	RT Cores 70 RT-Cores
CUs 60 CUs	SMs 70 SMs

Clocks

Base Clock 1.8GHz	Base Clock 1.26GHz
Boost Clock 2.43GHz	Boost Clock 1.71GHz

Cache

L2 Cache 4.1MB shared	L2 Cache 5.1MB shared
L3 Cache 64MB shared	L3 Cache -
L3 Bandwidth 2.25TB/s	L3 Bandwidth -

Memory

16GB GDDR6	12GB GDDR6X
Memory Bus 256-bit	Memory Bus 384-bit
Memory Speed 19.4GT/s	Memory Speed 19GT/s
Memory Bandwidth 620.8GB/s	Memory Bandwidth 912.4GB/s
ECC No	ECC No

Power & Thermals

TDP 263W	TDP 350W
Max Temp -	Max Temp 93°C Max

Video Output

Multi-Monitor 3	Multi-Monitor 4
HDCP HDCP 2.3	HDCP HDCP 2.3

Ports

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

Encoder

Encoder Model VCN 4.0

Encoder Model NVENC 7

Decoder

Decoder Model VCN 4.0

Decoder Model NVDEC 5

Card

Form Factor PCIe Card	Form Factor PCIe Card
PCIe 2.5-Slots	PCIe 2-Slots
Height 111 mm (4.37") Width 267 mm (10.51") Depth 50 mm (1.97")	Height 112 mm (4.41") Width 285 mm (11.22") Depth 40 mm (1.57")
Cooling Open-Air 2x Fans	Cooling Open-Air 2x Fans
Power Connectors 2x 8-Pin	Power Connectors 1x 12-Pin

Chip

Manufacturer AMD	Manufacturer NVIDIA
Chip Designer AMD	Chip Designer NVIDIA
Architecture RDNA 3	Architecture Ampere
Family Radeon RX 7000	Family GeForce 30
Branding	Branding
Codename Wheat Nas	Codename NV172
Chip Variant Navi 32	Chip Variant GA102-200-KD-A1
Market Segment Desktop	Market Segment Desktop
Release Date Aug 25, 2023	Release Date Jan 27, 2022

Fabrication

Foundry TSMC	Foundry Samsung
Other Foundries TSMCMCD	Other Foundries -
Fabrication Node N5 N6MCD	Fabrication Node 8N -
Die Size 200mm² 150mm²MCD	Die Size 628mm² -
Transistor Count 28.1 Billion 8.2 BillionMCD	Transistor Count 28.3 Billion -
Transistor Density 140.5 MTr/mm² 54.67 MTr/mm²MCD	Transistor Density 45.04 MTr/mm² -

Images

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