AMD Radeon RX 7900 XTX vs NVIDIA GeForce GTX 1660 Super Full Specs

Summary

6,144 Shaders 2.5GHz	1,408 Shaders 1.78GHz
24GB GDDR6960GB/s	6GB GDDR6336GB/s
Peak·FP32·FP16 61.44 TFLOPS	Peak·FP32·FP16 5.03 TFLOPS
Form Factor PCIe Card	Form Factor PCIe Card
TDP 355W	TDP 125W
Power Connectors 2x 8-Pin	Power Connectors 1x 8-Pin

Highlights

Peak OPS

Peak OPS FP32 FP16 Tensor FP16-16 Tensor FP16-32 FP64 BF16 Tensor BF16 Tensor INT8 Tensor INT4 Memory Bandwidth TDP

Radeon RX 7900 XTX245.8 TOPSINT4 Tensor

x24.45

GeForce GTX 1660 Super10.05 TFLOPSFP16

x1

Show Top Score

Theoretical Performance

Clock Speed2500MHz UC·Base·Boost·OC	Clock Speed1785MHz UC·Base·Boost·OC
Peak OPS 245.8 TOPSINT4 Tensor	Peak OPS 10.05 TFLOPSFP16
Tensor FP16-16 61.44 TFLOPS Tensor FP16-32 61.44 TFLOPS	-
BF16 122.9 TFLOPS Tensor BF16 61.44 TFLOPS	-
FP32 61.44 TFLOPS	FP32 5.03 TFLOPS
FP64 1.92 TFLOPS	FP64 157.1 GFLOPS
Tensor INT4 245.8 TOPS	Tensor INT4 -
Tensor INT8 61.44 TOPS	-
Pixel Rate 480 GPixel/s	Pixel Rate 85.7 GPixel/s
Texture Rate 960 GTexel/s	Texture Rate 157.1 GTexel/s

Core Config

Shaders 6,144 Shaders	Shaders 1,408 Shaders
TMUs 384 TMUs	TMUs 88 TMUs
ROPs 192 ROPs	ROPs 48 ROPs
Tensor Cores 192 T-Cores	Tensor Cores -
RT Cores 96 RT-Cores	RT Cores -
CUs 96 CUs	SMs 22 SMs

Clocks

Base Clock 1.9GHz	Base Clock 1.53GHz
Boost Clock 2.5GHz	Boost Clock 1.78GHz

Cache

L2 Cache 6.1MB shared	L2 Cache 1.5MB shared
L3 Cache 96MB shared	L3 Cache -
L3 Bandwidth 3.5TB/s	L3 Bandwidth -

Memory

24GB GDDR6	6GB GDDR6
Memory Bus 384-bit	Memory Bus 192-bit
Memory Speed 20GT/s	Memory Speed 14GT/s
Memory Bandwidth 960GB/s	Memory Bandwidth 336GB/s
ECC No	ECC No

Power & Thermals

TDP 355W	TDP 125W
Max Temp -	Max Temp 95°C Max

Video Output

Multi-Monitor 3	Multi-Monitor 3
HDCP HDCP 2.3	HDCP HDCP 2.2

Ports

2x DisplayPort 2.1	-
-	1x DisplayPort 1.4
1x HDMI 2.1	-
-	1x HDMI 2.0
-	1x DVI-D Dual-Link
1x USB-C	-

Encoder

Encoder Model VCN 4.0

Encoder Model NVENC 7

Decoder

Decoder Model VCN 4.0

Decoder Model NVDEC 4

Card

Form Factor PCIe Card	Form Factor PCIe Card
PCIe 2.5-Slots	PCIe -
Height 135 mm (5.32") Width 287 mm (11.3") Depth 51 mm (2.01")	-
Cooling Open-Air 3x Fans	Cooling Open-Air 1x Fan
Power Connectors 2x 8-Pin	Power Connectors 1x 8-Pin

Chip

Manufacturer AMD	Manufacturer NVIDIA
Chip Designer AMD	Chip Designer NVIDIA
Architecture RDNA 3	Architecture Turing
Family Radeon RX 7000	Family GeForce 16
Branding	Branding
Codename Plum Bonito	Codename NV168
Chip Variant Navi 31 XL	Chip Variant TU116-250-KA-A1
Market Segment Desktop	Market Segment Desktop
Release Date Dec 13, 2022	Release Date Oct 29, 2019

Fabrication

Foundry TSMC	Foundry TSMC
Other Foundries TSMCMCD	Other Foundries -
Fabrication Node N5 N6MCD	Fabrication Node 12FFN -
Die Size 304mm² 225mm²MCD	Die Size 284mm² -
Transistor Count 45.4 Billion 12.3 BillionMCD	Transistor Count 6.6 Billion -
Transistor Density 149.2 MTr/mm² 54.67 MTr/mm²MCD	Transistor Density 23.24 MTr/mm² -

Images

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Used In

Desktops Tinybox Red(Mid 2024)

Desktops XPS(XD8950, Late 2021)Envy(Early 2021)Victus 15L(Early 2022)

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