AMD Radeon 780M 2800MHz vs AMD Radeon RX 7900 XTX Full Specs

Summary

768 Shaders 2.8GHz	6,144 Shaders 2.5GHz
Shared Memory120GB/s LPDDR5X·DDR5	24GB GDDR6960GB/s placeholder
Peak·FP32·FP16 4.3 TFLOPS	Peak·FP32·FP16 61.44 TFLOPS
Form Factor iGPU	Form Factor PCIe Card
TDP Shared	TDP 355W
Power Connectors -	Power Connectors 2x 8-Pin

Highlights

Peak OPS

Peak OPS FP32 FP16 Tensor FP16-16 Tensor FP16-32 FP64 BF16 Tensor BF16 Tensor INT8 Tensor INT4 Memory Bandwidth TDP

Radeon 780M 2800MHz8.6 TFLOPSFP16

x1

Radeon RX 7900 XTX245.8 TOPSINT4 Tensor

x28.57

Show Top Score

Theoretical Performance

Clock Speed2800MHz UC·Base·Boost·OC	Clock Speed2500MHz UC·Base·Boost·OC
Peak OPS 8.6 TFLOPSFP16	Peak OPS 245.8 TOPSINT4 Tensor
-	Tensor FP16-16 61.44 TFLOPS Tensor FP16-32 61.44 TFLOPS
BF16 8.6 TFLOPS Tensor BF16 -	BF16 122.9 TFLOPS Tensor BF16 61.44 TFLOPS
FP32 4.3 TFLOPS	FP32 61.44 TFLOPS
FP64 268.8 GFLOPS	FP64 1.92 TFLOPS
Tensor INT4 -	Tensor INT4 245.8 TOPS
-	Tensor INT8 61.44 TOPS
Pixel Rate 89.6 GPixel/s	Pixel Rate 480 GPixel/s
Texture Rate 134.4 GTexel/s	Texture Rate 960 GTexel/s

Core Config

Shaders 768 Shaders	Shaders 6,144 Shaders
TMUs 48 TMUs	TMUs 384 TMUs
ROPs 32 ROPs	ROPs 192 ROPs
Tensor Cores -	Tensor Cores 192 T-Cores
RT Cores 12 RT-Cores	RT Cores 96 RT-Cores
CUs 12 CUs	CUs 96 CUs

Clocks

Base Clock 1.5GHz	Base Clock 1.9GHz
Boost Clock 2.8GHz	Boost Clock 2.5GHz

Cache

L0 Cache 32KB/WGP	L0 Cache 64KB/WGP
L1 256KB/Array	L1 256KB/Array
L2 Cache -	L2 Cache 6MB shared
L3 Cache -	L3 Cache 96MB shared
L3 Bandwidth -	L3 Bandwidth 3.5TB/s

Memory

Shared Memory LPDDR5X·DDR5	24GB GDDR6 placeholder
Memory Bus 128-bit	Memory Bus 384-bit
Memory Speed 7.5GT/s	Memory Speed 20GT/s
Memory Bandwidth 120GB/s	Memory Bandwidth 960GB/s
ECC No	ECC No

Power & Thermals

TDP Shared

TDP 355W

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 165Hz
Multi-Monitor 4	Multi-Monitor 3
Adaptive Sync FreeSync	Adaptive Sync FreeSync
DSC Not Supported	DSC Supported
HDCP HDCP 2.2	HDCP HDCP 2.3

Ports

-	2x DisplayPort 2.1 1x HDMI 2.1 1x USB-C

API Support

Shader Model 6.7	Shader Model 6.7
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 11

Encoder

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

Decoder

Decoder VCN 4.0	Decoder VCN 4.0
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 x16 2.5-Slots
-	Height 135mm (5.32") Width 287mm (11.3") Depth 51mm (2.01")
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 CrossFire XDMA

Chip

Manufacturer AMD	Manufacturer AMD
Chip Designer AMD	Chip Designer AMD
Architecture RDNA 3	Architecture RDNA 3
Family 700	Family Radeon RX 7000
Branding	Branding
Codename Phoenix	Codename Plum Bonito
Chip Variant -	Chip Variant Navi 31 XL
Market Segment Laptop	Market Segment Desktop
Release Date Jan 3, 2023	Release Date Dec 13, 2022

Fabrication

Foundry TSMC	Foundry TSMC
Other Foundries -	Other Foundries TSMCMCD
Fabrication Node N4 -	Fabrication Node N5 N6MCD
Die Size 178mm² -	Die Size 304mm² 225mm²MCD
Transistor Count 25B -	Transistor Count 45.4B 12.3BMCD
Transistor Density 140 MTr/mm² -	Transistor Density 149.2 MTr/mm² 54.67 MTr/mm²MCD

Images