PowerColor Radeon RX 6800 Red Dragon vs Qualcomm Adreno 640 Full Specs

Summary

3,840 Shaders 2.17GHz	768 Shaders 585MHz
16GB GDDR6512GB/s placeholder	Shared Memory34.1GB/sLPDDR4X
Peak·FP32·FP16 16.67 TFLOPS	Peak·FP32·FP16 898.6 GFLOPS
Form Factor PCIe Card	Form Factor iGPU
TDP 250W	TDP 5W
Power Connectors 2x 8-Pin	Power Connectors -

Highlights

Peak OPS

Peak OPS FP32 FP16 FP64 Memory Bandwidth TDP

Radeon RX 6800 Red Dragon33.33 TFLOPSFP16

x18.55

Adreno 6401.8 TFLOPSFP16

x1

Show Top Score

Theoretical Performance

Clock Speed2170MHz UC·Base·Boost·OC	Clock Speed585MHz UC·Boost·OC
Peak OPS 33.33 TFLOPSFP16	Peak OPS 1.8 TFLOPSFP16
FP32 16.67 TFLOPS	FP32 898.6 GFLOPS
FP64 1.04 TFLOPS	FP64 224.6 GFLOPS
Pixel Rate 208.3 GPixel/s	Pixel Rate 14 GPixel/s
Texture Rate 520.8 GTexel/s	Texture Rate 28.1 GTexel/s

Core Config

Shaders 3,840 Shaders	Shaders 768 Shaders
TMUs 240 TMUs	TMUs 48 TMUs
ROPs 96 ROPs	ROPs 24 ROPs
RT Cores 60 RT-Cores	RT Cores -
CUs 60 CUs	EUs 6 EUs

Clocks

Base Clock 1.85GHz	Base Clock -
Boost Clock 2.17GHz	Boost Clock 585MHz

Cache

L0 Cache 32KB/WGP	L0 Cache -
L1 128KB/Array	L1 8KB/CU
L2 Cache 4MB shared	L2 Cache 128KB shared
L3 Cache 128MB shared	L3 Cache 2MB shared
L3 Bandwidth 1.66TB/s	L3 Bandwidth -

Memory

16GB GDDR6 placeholder	Shared MemoryLPDDR4X
Memory Bus 256-bit	Memory Bus 64-bit
Memory Speed 16GT/s	Memory Speed 4.3GT/s
Memory Bandwidth 512GB/s	Memory Bandwidth 34.1GB/s
ECC No	ECC No

Power & Thermals

TDP 250W	TDP 5W
Max Temp 110°C Max	Max Temp -

Video Output

Max Resolution 7680x4320	Max Resolution 2520x1080
Refresh Rate Calculator 7680x4320 Resolution8K UHD Refresh Rate 120Hz	Refresh Rate Calculator 1920x1080 Resolution1080p FHD Refresh Rate 78Hz
Multi-Monitor 4	Multi-Monitor 1
Adaptive Sync FreeSync	Adaptive Sync -
DSC Supported	DSC Not Supported
HDCP HDCP 2.3	HDCP -

Ports

3x DisplayPort 1.4 1x HDMI 2.1

-

API Support

Shader Model 6.5	Shader Model -
DirectX DirectX 12 Direct3D 12_2	DirectX DirectX 12 Direct3D 12_1
OpenGL 4.6 OpenCL 2.1 Vulkan 1.2	OpenGL 3.2 OpenCL 2 Vulkan 1.1
GFX 10.3	-

Encoder

Encoder VCN 3.0	Encoder Hexagon 690
Codec - - - - - AVC (H.264) HEVC (H.265)	Codec H.263 MPEG-4 VC-1 VP8 VP9 AVC (H.264) HEVC (H.265)

Decoder

Decoder VCN 3.0	Decoder Hexagon 690
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) -

Card

Form Factor PCIe Card	Form Factor iGPU
PCIe PCIe 4.0 x16 2.7-Slots	PCIe -
Height 135mm (5.32") Width 310mm (12.2") Depth 54mm (2.13")	-
Cooling Open-Air 3x Fans	Cooling Open-Air -
Power Connectors 2x 8-Pin	Power Connectors -
Multi-GPU Multi-GPU Support Supported Multi-GPU Type Bridgeless	Multi-GPU -

Chip

Manufacturer PowerColor	Manufacturer Qualcomm
Chip Designer AMD	Chip Designer Qualcomm
Architecture RDNA 2	Architecture Adreno 600
Family Radeon RX 6000	Family Adreno 600
Branding	Branding
Codename Sienna Cichlid	Codename -
Chip Variant Navi 21 XL	Chip Variant -
Market Segment Desktop	Market Segment Smartphone
Release Date Nov 18, 2020	Release Date Oct 22, 2019

Fabrication

Foundry TSMC	Foundry TSMC
Fabrication Node N7	Fabrication Node N7
Die Size 520mm²	Die Size 77mm²
Transistor Count 26.8B	Transistor Count -
Transistor Density 51.56 MTr/mm²	Transistor Density -

Images