AMD Radeon RX 6800 vs NVIDIA GeForce RTX 4080 Max-Q Full Specs

Summary

3,840 Shaders 2.1GHz	7,424 Shaders 1.35GHz
16GB GDDR6512GB/s	12GB GDDR6432GB/s
Peak·FP32·FP16 16.17 TFLOPS	Peak·FP32·FP16 20.04 TFLOPS
Form Factor PCIe Card	Form Factor Soldered
TDP 250W	TDP 60W
Power Connectors 2x 8-Pin	Power Connectors -

Theoretical Performance

Clock Speed2105MHz UC·Base·Boost·OC	Clock Speed1350MHz UC·Base·Boost·OC
Peak OPS 32.33 TFLOPSFP16	Peak OPS 641.4 TOPSINT4 Tensor Sparse
-	Tensor FP8-16 160.4 TFLOPS FP8-16 Tensor Sparse 320.7 TFLOPS Tensor FP8-32 80.18 TFLOPS FP8-32 Tensor Sparse 160.4 TFLOPS
-	Tensor FP16-16 80.18 TFLOPS FP16-16 Tensor Sparse 160.4 TFLOPS Tensor FP16-32 40.09 TFLOPS FP16-32 Tensor Sparse 80.18 TFLOPS
-	BF16 20.04 TFLOPS Tensor BF16 40.09 TFLOPS BF16 Tensor Sparse 80.18 TFLOPS
Tensor TF32 -	Tensor TF32 20.04 TFLOPS
FP32 16.17 TFLOPS	FP32 20.04 TFLOPS
FP64 1.01 TFLOPS	FP64 313.2 GFLOPS
Tensor INT4 -	Tensor INT4 320.7 TOPS
-	Tensor INT8 160.4 TOPS
Ray -	Ray 46.33 TOPS
Pixel Rate 202.1 GPixel/s	Pixel Rate 108 GPixel/s
Texture Rate 505.2 GTexel/s	Texture Rate 313.2 GTexel/s

Core Config

Shaders 3,840 Shaders	Shaders 7,424 Shaders
TMUs 240 TMUs	TMUs 232 TMUs
ROPs 96 ROPs	ROPs 80 ROPs
Tensor Cores -	Tensor Cores 232 T-Cores
RT Cores 60 RT-Cores	RT Cores 58 RT-Cores
CUs 60 CUs	SMs 58 SMs

Clocks

Base Clock 1.7GHz	Base Clock 795MHz
Boost Clock 2.1GHz	Boost Clock 1.35GHz

Cache

L2 Cache 4MB shared	L2 Cache 48MB shared
L3 Cache 128MB shared	L3 Cache -
L3 Bandwidth 1.66TB/s	L3 Bandwidth -

Memory

16GB GDDR6	12GB GDDR6
Memory Bus 256-bit	Memory Bus 192-bit
Memory Speed 16GT/s	Memory Speed 18GT/s
Memory Bandwidth 512GB/s	Memory Bandwidth 432GB/s
ECC No	ECC No

Power & Thermals

TDP 250W	TDP 60W
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

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Encoder

Encoder Model VCN 3.0	Encoder Model 2x NVENC 8
Codec AVC (H.264) HEVC (H.265) -	Codec AVC (H.264) HEVC (H.265) AV1

Decoder

Decoder Model VCN 3.0	Decoder Model NVDEC 5
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-Slots	PCIe -
Height 120 mm (4.72") Width 267 mm (10.51") Depth 40 mm (1.57")	-
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 NV184
Chip Variant Navi 21 XL	Chip Variant AD104-250
Market Segment Desktop	Market Segment Laptop
Release Date Nov 18, 2020	Release Date Feb 8, 2023

Fabrication

Foundry TSMC	Foundry TSMC
Fabrication Node N7	Fabrication Node 4N
Die Size 520mm²	Die Size 295mm²
Transistor Count 26.8 Billion	Transistor Count 35.8 Billion
Transistor Density 51.56 MTr/mm²	Transistor Density 121.6 MTr/mm²

Images