AMD Radeon RX 6400 vs ASRock Radeon RX 6950 XT OC Formula Full Specs

Summary

768 Shaders 2.32GHz	5,120 Shaders 2.5GHz
4GB GDDR6112GB/s	16GB GDDR6576GB/s
Peak·FP32·FP16 3.56 TFLOPS	Peak·FP32·FP16 25.55 TFLOPS
Form Factor PCIe Card	Form Factor PCIe Card
TDP 53W	TDP 335W
Power Connectors -	Power Connectors 3x 8-Pin

Theoretical Performance

Clock Speed2321MHz UC·Base·Boost·OC	Clock Speed2495MHz UC·Base·Boost·OC
Peak OPS 7.13 TFLOPSFP16	Peak OPS 51.1 TFLOPSFP16
FP32 3.56 TFLOPS	FP32 25.55 TFLOPS
FP64 222.8 GFLOPS	FP64 1.6 TFLOPS
Pixel Rate 74.3 GPixel/s	Pixel Rate 319.4 GPixel/s
Texture Rate 111.4 GTexel/s	Texture Rate 798.4 GTexel/s

Core Config

Shaders 768 Shaders	Shaders 5,120 Shaders
TMUs 48 TMUs	TMUs 320 TMUs
ROPs 32 ROPs	ROPs 128 ROPs
RT Cores 12 RT-Cores	RT Cores 80 RT-Cores
CUs 12 CUs	CUs 80 CUs

Clocks

Base Clock 2.04GHz	Base Clock 1.93GHz
Boost Clock 2.32GHz	Boost Clock 2.5GHz

Cache

L2 Cache 1MB shared	L2 Cache 4MB shared
L3 Cache 8MB shared	L3 Cache 128MB shared
L3 Bandwidth 208GB/s	L3 Bandwidth 1.66TB/s

Memory

4GB GDDR6	16GB GDDR6
Memory Bus 64-bit	Memory Bus 256-bit
Memory Speed 14GT/s	Memory Speed 18GT/s
Memory Bandwidth 112GB/s	Memory Bandwidth 576GB/s
ECC No	ECC No

Power & Thermals

TDP 53W	TDP 335W
Max Temp 110°C Max	Max Temp 110°C Max

Video Output

Multi-Monitor 2	Multi-Monitor 4
HDCP HDCP 2.3	HDCP HDCP 2.3

Ports

1x DisplayPort 1.4 1x HDMI 2.1

3x DisplayPort 1.4 1x HDMI 2.1

Encoder

-	Encoder Model VCN 3.0
Codec -	Codec AVC (H.264) HEVC (H.265)

Decoder

Decoder Model VCN 3.0	Decoder Model VCN 3.0
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 JPEG VC-1 VP9 AVC (H.264) HEVC (H.265) AV1

Card

Form Factor PCIe Card	Form Factor PCIe Card
PCIe 2-Slots	PCIe 3-Slots
Height 110 mm (4.33") Width 190 mm (7.48") Depth 40 mm (1.57")	Height 137 mm (5.39") Width 332 mm (13.07") Depth 61 mm (2.4")
Cooling Open-Air 1x Fan	Cooling Open-Air 3x Fans
Power Connectors -	Power Connectors 3x 8-Pin

Chip

Manufacturer AMD	Manufacturer ASRock
Chip Designer AMD	Chip Designer AMD
Architecture RDNA 2	Architecture RDNA 2
Family Radeon RX 6000	Family Radeon RX 6000
Branding	Branding
Codename Beige Goby	Codename Sienna Cichlid
Chip Variant Navi 24 XL	Chip Variant Navi 21 XL
Market Segment Desktop	Market Segment Desktop
Release Date Apr 20, 2022	Release Date May 10, 2022

Fabrication

Foundry TSMC	Foundry TSMC
Fabrication Node N6	Fabrication Node N7
Die Size 107mm²	Die Size 520mm²
Transistor Count 5.4 Billion	Transistor Count 26.8 Billion
Transistor Density 50.47 MTr/mm²	Transistor Density 51.56 MTr/mm²

Images