Qualcomm Adreno 308 vs XFX Radeon RX 6800 XT Speedster MERC 319 Full Specs

Summary

24 Shaders 500MHz	4,608 Shaders 2.25GHz
Shared Memory5.4GB/s LPDDR2·LPDDR3	16GB GDDR6512GB/s placeholder
Peak·FP32·FP16 24 GFLOPS	Peak·FP32·FP16 20.74 TFLOPS
Form Factor iGPU	Form Factor PCIe Card
TDP 5W	TDP 300W
Power Connectors -	Power Connectors 2x 8-Pin

Highlights

Peak OPS

Peak OPS FP32 FP16 FP64 Memory Bandwidth TDP

Adreno 30848 GFLOPSFP16

x1

Radeon RX 6800 XT Speedster MERC 31941.47 TFLOPSFP16

x864.00

Show Top Score

Theoretical Performance

Clock Speed500MHz UC·Boost·OC	Clock Speed2250MHz UC·Base·Boost·OC
Peak OPS 48 GFLOPSFP16	Peak OPS 41.47 TFLOPSFP16
FP32 24 GFLOPS	FP32 20.74 TFLOPS
FP64 6 GFLOPS	FP64 1.3 TFLOPS
Pixel Rate 1 GPixel/s	Pixel Rate 288 GPixel/s
Texture Rate 1 GTexel/s	Texture Rate 648 GTexel/s

Core Config

Shaders 24 Shaders	Shaders 4,608 Shaders
TMUs 2 TMUs	TMUs 288 TMUs
ROPs 2 ROPs	ROPs 128 ROPs
RT Cores -	RT Cores 72 RT-Cores
Units -	CUs 72 CUs

Clocks

Base Clock -	Base Clock 1.82GHz
Boost Clock 500MHz	Boost Clock 2.25GHz

Cache

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

Memory

Shared Memory LPDDR2·LPDDR3	16GB GDDR6 placeholder
Memory Bus 32-bit	Memory Bus 256-bit
Memory Speed 1.3GT/s	Memory Speed 16GT/s
Memory Bandwidth 5.4GB/s	Memory Bandwidth 512GB/s
ECC No	ECC No

Power & Thermals

TDP 5W	TDP 300W
Max Temp -	Max Temp 110°C Max

Video Output

Max Resolution 1366x768	Max Resolution 7680x4320
Refresh Rate Calculator 1280x720 Resolution720p HD Refresh Rate 68Hz	Refresh Rate Calculator 7680x4320 Resolution8K UHD Refresh Rate 120Hz
Multi-Monitor 1	Multi-Monitor 4
Adaptive Sync -	Adaptive Sync FreeSync
DSC Not Supported	DSC Supported
HDCP -	HDCP HDCP 2.3

Ports

-	3x DisplayPort 1.4 1x HDMI 2.1

API Support

Shader Model -	Shader Model 6.5
DirectX DirectX 11 Direct3D 9_3	DirectX DirectX 12 Direct3D 12_2
OpenGL 3 OpenCL 1.1 Vulkan -	OpenGL 4.6 OpenCL 2.1 Vulkan 1.2
-	GFX 10.3

Encoder

Encoder Hexagon 536	Encoder VCN 3.0
Codec H.263 MPEG-4 VP8 AVC (H.264) HEVC (H.265)	Codec - - - AVC (H.264) HEVC (H.265)

Decoder

Decoder Hexagon 536	Decoder VCN 3.0
Codec MPEG-1 MPEG-2 MPEG-4 - - VP8 - AVC (H.264) HEVC (H.265) -	Codec MPEG-1 MPEG-2 MPEG-4 JPEG VC-1 - VP9 AVC (H.264) HEVC (H.265) AV1

Card

Form Factor iGPU	Form Factor PCIe Card
PCIe -	PCIe PCIe 4.0 x16 2.7-Slots
-	Height 138mm (5.43") Width 340mm (13.39") Depth 54mm (2.13")
Cooling Open-Air -	Cooling Open-Air 3x Fans
Power Connectors -	Power Connectors 2x 8-Pin
Multi-GPU -	Multi-GPU Multi-GPU Support Supported Multi-GPU Type Bridgeless

Chip

Manufacturer Qualcomm	Manufacturer XFX
Chip Designer Qualcomm	Chip Designer AMD
Architecture Adreno 300	Architecture RDNA 2
Family Adreno 300	Family Radeon RX 6000
Branding	Branding
Codename Oxili	Codename Sienna Cichlid
Chip Variant -	Chip Variant Navi 21 XL
Market Segment Smartphone	Market Segment Desktop
Release Date Jul 9, 2019	Release Date Nov 18, 2020

Fabrication

Foundry Samsung	Foundry TSMC
Fabrication Node 28nm LP	Fabrication Node N7
Die Size -	Die Size 520mm²
Transistor Count -	Transistor Count 26.8B
Transistor Density -	Transistor Density 51.56 MTr/mm²

Images