AMD Radeon 780M 2800MHz vs AMD Radeon RX 6400 Full Specs

Summary

768 Shaders 2.8GHz	768 Shaders 2.32GHz
Shared Memory120GB/s LPDDR5X·DDR5	4GB GDDR6112GB/s placeholder
Peak·FP32·FP16 4.3 TFLOPS	Peak·FP32·FP16 3.56 TFLOPS
Form Factor iGPU	Form Factor PCIe Card
TDP Shared	TDP 53W

Highlights

Peak OPS

Peak OPS FP32 FP16 FP64 BF16 Memory Bandwidth TDP

Radeon 780M 2800MHz8.6 TFLOPSFP16

x1.21

Radeon RX 64007.13 TFLOPSFP16

x1

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Theoretical Performance

Clock Speed2800MHz UC·Base·Boost·OC	Clock Speed2321MHz UC·Base·Boost·OC
Peak OPS 8.6 TFLOPSFP16	Peak OPS 7.13 TFLOPSFP16
BF16 8.6 TFLOPS	-
FP32 4.3 TFLOPS	FP32 3.56 TFLOPS
FP64 268.8 GFLOPS	FP64 222.8 GFLOPS
Pixel Rate 89.6 GPixel/s	Pixel Rate 74.3 GPixel/s
Texture Rate 134.4 GTexel/s	Texture Rate 111.4 GTexel/s

Core Config

Shaders 768 Shaders	Shaders 768 Shaders
TMUs 48 TMUs	TMUs 48 TMUs
ROPs 32 ROPs	ROPs 32 ROPs
RT Cores 12 RT-Cores	RT Cores 12 RT-Cores
CUs 12 CUs	CUs 12 CUs

Clocks

Base Clock 1.5GHz	Base Clock 2.04GHz
Boost Clock 2.8GHz	Boost Clock 2.32GHz

Cache

L0 Cache 32KB/WGP	L0 Cache 32KB/WGP
L1 256KB/Array	L1 128KB/Array
L2 Cache -	L2 Cache 1MB shared
L3 Cache -	L3 Cache 8MB shared
L3 Bandwidth -	L3 Bandwidth 208GB/s

Memory

Shared Memory LPDDR5X·DDR5	4GB GDDR6 placeholder
Memory Bus 128-bit	Memory Bus 64-bit
Memory Speed 7.5GT/s	Memory Speed 14GT/s
Memory Bandwidth 120GB/s	Memory Bandwidth 112GB/s
ECC No	ECC No

Power & Thermals

TDP Shared	TDP 53W
Max Temp -	Max Temp 110°C Max

Video Output

Max Resolution 4096x2160	Max Resolution 7680x4320
Refresh Rate Calculator 3840x2160 Resolution4K UHD Refresh Rate 64Hz	Refresh Rate Calculator 7680x4320 Resolution8K UHD Refresh Rate 120Hz
Multi-Monitor 4	Multi-Monitor 2
Adaptive Sync FreeSync	Adaptive Sync FreeSync
DSC Not Supported	DSC Supported
HDCP HDCP 2.2	HDCP HDCP 2.3

Ports

-	1x DisplayPort 1.4 1x HDMI 2.1

API Support

Shader Model 6.7	Shader Model 6.6
DirectX DirectX 12 Direct3D 12_2	DirectX DirectX 12 Direct3D 12_2
OpenGL 4.6 OpenCL 2.1 Vulkan 1.3	OpenGL 4.6 OpenCL 2.2 Vulkan 1.3
GFX 11	GFX 10.3

Encoder

Encoder VCN 4.0	-
Codec VP9 AVC (H.264) HEVC (H.265) AV1	Codec -

Decoder

Decoder VCN 4.0	Decoder 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 iGPU	Form Factor PCIe Card
PCIe -	PCIe PCIe 4.0 x4 2-Slots
-	Height 110mm (4.33") Width 190mm (7.48") Depth 40mm (1.57")
Cooling Open-Air -	Cooling Open-Air 1x Fan
Multi-GPU -	Multi-GPU Multi-GPU Support Supported Multi-GPU Type Bridgeless

Chip

Manufacturer AMD	Manufacturer AMD
Chip Designer AMD	Chip Designer AMD
Architecture RDNA 3	Architecture RDNA 2
Family 700	Family Radeon RX 6000
Branding	Branding
Codename Phoenix	Codename Beige Goby
Chip Variant -	Chip Variant Navi 24 XL
Market Segment Laptop	Market Segment Desktop
Release Date Jan 3, 2023	Release Date Apr 20, 2022

Fabrication

Foundry TSMC	Foundry TSMC
Fabrication Node N4	Fabrication Node N6
Die Size 178mm²	Die Size 107mm²
Transistor Count 25B	Transistor Count 5.4B
Transistor Density 140 MTr/mm²	Transistor Density 50.47 MTr/mm²

Images