AMD Radeon RX 6900 XT vs NVIDIA GeForce RTX 5080 Laptop 140W Full Specs

Summary

5,120 Shaders 2.25GHz	7,680 Shaders 2.14GHz
16GB GDDR6512GB/s	16GB GDDR7896GB/s
Peak·FP32·FP16 23.04 TFLOPS	Peak·FP32·FP16 32.82 TFLOPS
Form Factor PCIe Card	Form Factor Soldered
TDP 300W	TDP 140W
Power Connectors 2x 8-Pin	Power Connectors -

Theoretical Performance

Clock Speed2250MHz UC·Base·Boost·OC	Clock Speed2137MHz UC·Base·Boost·OC
Peak OPS 46.08 TFLOPSFP16	Peak OPS 1.26 PFLOPSFP4 Tensor Sparse
-	Tensor FP4 630.4 TFLOPS FP4 Tensor Sparse 1.26 PFLOPS
-	Tensor FP8-16 315.2 TFLOPS FP8-16 Tensor Sparse 630.4 TFLOPS Tensor FP8-32 157.6 TFLOPS FP8-32 Tensor Sparse 315.2 TFLOPS
-	Tensor FP16-16 157.6 TFLOPS FP16-16 Tensor Sparse 315.2 TFLOPS Tensor FP16-32 78.8 TFLOPS FP16-32 Tensor Sparse 157.6 TFLOPS
-	BF16 32.82 TFLOPS Tensor BF16 78.8 TFLOPS BF16 Tensor Sparse 157.6 TFLOPS
Tensor TF32 -	Tensor TF32 39.4 TFLOPS
FP32 23.04 TFLOPS	FP32 32.82 TFLOPS
FP64 1.44 TFLOPS	FP64 512.9 GFLOPS
-	Tensor INT8 315.2 TOPS
Ray -	Ray 99.55 TOPS
Pixel Rate 288 GPixel/s	Pixel Rate 205.2 GPixel/s
Texture Rate 720 GTexel/s	Texture Rate 512.9 GTexel/s

Core Config

Shaders 5,120 Shaders	Shaders 7,680 Shaders
TMUs 320 TMUs	TMUs 240 TMUs
ROPs 128 ROPs	ROPs 96 ROPs
Tensor Cores -	Tensor Cores 240 T-Cores
RT Cores 80 RT-Cores	RT Cores 60 RT-Cores
CUs 80 CUs	SMs 60 SMs

Clocks

Base Clock 1.82GHz	Base Clock 1.62GHz
Boost Clock 2.25GHz	Boost Clock 2.14GHz
Tensor Clock -	Tensor Clock 2.56GHz

Cache

L2 Cache 4MB shared	L2 Cache 64MB shared
L3 Cache 128MB shared	L3 Cache -
L3 Bandwidth 1.66TB/s	L3 Bandwidth -

Memory

16GB GDDR6	16GB GDDR7
Memory Bus 256-bit	Memory Bus 256-bit
Memory Speed 16GT/s	Memory Speed 28GT/s
Memory Bandwidth 512GB/s	Memory Bandwidth 896GB/s
ECC No	ECC No

Power & Thermals

TDP 300W	TDP 140W
Max Temp 110°C Max	Max Temp -

Video Output

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

Ports

2x DisplayPort 1.4 1x HDMI 2.1 1x USB-C

-

Encoder

Encoder Model VCN 3.0	Encoder Model 2x NVENC 9
Codec AVC (H.264) HEVC (H.265) -	Codec AVC (H.264) HEVC (H.265) AV1

Decoder

Decoder Model VCN 3.0	Decoder Model 2x NVDEC 6
Codec MPEG-1 MPEG-2 MPEG-4 JPEG VC-1 - VP9 AVC (H.264) HEVC (H.265) AV1	Codec MPEG-1 MPEG-2 MPEG-4 - VC-1 VP8 VP9 AVC (H.264) HEVC (H.265) AV1

Card

Form Factor PCIe Card	Form Factor Soldered
PCIe 2.5-Slots	PCIe -
Height 120 mm (4.72") Width 267 mm (10.51") Depth 50 mm (1.97")	-
Cooling Open-Air 3x Fans	Cooling Open-Air -
Power Connectors 2x 8-Pin	Power Connectors -

Chip

Manufacturer AMD	Manufacturer NVIDIA
Chip Designer AMD	Chip Designer NVIDIA
Architecture RDNA 2	Architecture Blackwell
Family Radeon RX 6000	Family GeForce 50
Branding	Branding
Codename Sienna Cichlid	Codename NV193
Chip Variant Navi 21 XL	Chip Variant GB203-200-A1
Market Segment Desktop	Market Segment Laptop
Release Date Dec 8, 2020	Release Date Jan 6, 2025

Fabrication

Foundry TSMC	Foundry TSMC
Fabrication Node N7	Fabrication Node 4NP
Die Size 520mm²	Die Size 378mm²
Transistor Count 26.8 Billion	Transistor Count 45.6 Billion
Transistor Density 51.56 MTr/mm²	Transistor Density 120.6 MTr/mm²

Images