AMD Radeon RX 6950 XT vs NVIDIA GeForce RTX 4090 Laptop 140W Full Specs

Summary

5,120 Shaders 2.32GHz	9,728 Shaders 1.95GHz
16GB GDDR6576GB/s	16GB GDDR6576GB/s
Peak·FP32·FP16 23.8 TFLOPS	Peak·FP32·FP16 37.94 TFLOPS
Form Factor PCIe Card	Form Factor Soldered
TDP 335W	TDP 140W
Power Connectors 2x 8-Pin	Power Connectors -

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 6950 XT47.6 TFLOPSFP16

x1

GeForce RTX 4090 Laptop 140W1.21 POPSINT4 Tensor Sparse

x25.51

Show Top Score

Theoretical Performance

Clock Speed2324MHz UC·Base·Boost·OC	Clock Speed1950MHz UC·Base·Boost·OC
Peak OPS 47.6 TFLOPSFP16	Peak OPS 1.21 POPSINT4 Tensor Sparse
-	Tensor FP8-16 303.5 TFLOPS FP8-16 Tensor Sparse 607 TFLOPS Tensor FP8-32 151.8 TFLOPS FP8-32 Tensor Sparse 303.5 TFLOPS
-	Tensor FP16-16 151.8 TFLOPS FP16-16 Tensor Sparse 303.5 TFLOPS Tensor FP16-32 75.88 TFLOPS FP16-32 Tensor Sparse 151.8 TFLOPS
-	BF16 37.94 TFLOPS Tensor BF16 75.88 TFLOPS BF16 Tensor Sparse 151.8 TFLOPS
Tensor TF32 -	Tensor TF32 37.94 TFLOPS
FP32 23.8 TFLOPS	FP32 37.94 TFLOPS
FP64 1.49 TFLOPS	FP64 592.8 GFLOPS
Tensor INT4 -	Tensor INT4 607 TOPS
-	Tensor INT8 303.5 TOPS
Ray -	Ray 87.69 TOPS
Pixel Rate 297.5 GPixel/s	Pixel Rate 218.4 GPixel/s
Texture Rate 743.7 GTexel/s	Texture Rate 592.8 GTexel/s

Core Config

Shaders 5,120 Shaders	Shaders 9,728 Shaders
TMUs 320 TMUs	TMUs 304 TMUs
ROPs 128 ROPs	ROPs 112 ROPs
Tensor Cores -	Tensor Cores 304 T-Cores
RT Cores 80 RT-Cores	RT Cores 76 RT-Cores
CUs 80 CUs	SMs 76 SMs

Clocks

Base Clock 1.93GHz	Base Clock 1.5GHz
Boost Clock 2.32GHz	Boost Clock 1.95GHz

Cache

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

Memory

16GB GDDR6	16GB GDDR6
Memory Bus 256-bit	Memory Bus 256-bit
Memory Speed 18GT/s	Memory Speed 18GT/s
Memory Bandwidth 576GB/s	Memory Bandwidth 576GB/s

Power & Thermals

TDP 335W	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 8

Decoder

Decoder Model VCN 3.0

Decoder Model NVDEC 5

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 Ada Lovelace
Family Radeon RX 6000	Family GeForce 40
Branding	Branding
Codename Sienna Cichlid	Codename NV183
Chip Variant Navi 21 XL	Chip Variant AD103-275-A1
Market Segment Desktop	Market Segment Laptop
Release Date May 10, 2022	Release Date Feb 8, 2023

Fabrication

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

Images

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Competitors

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