AMD Radeon 780M 2900MHz vs AMD Radeon RX 7900 GRE Full Specs

Summary

768 Shaders 2.9GHz	5,120 Shaders 2.25GHz
Shared Memory83.2GB/sDDR5	16GB GDDR6576GB/s placeholder
Peak·FP32·FP16 4.45 TFLOPS	Peak·FP32·FP16 45.98 TFLOPS
Form Factor iGPU	Form Factor PCIe Card
TDP Shared	TDP 260W
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 2900MHz8.91 TFLOPSFP16

x1

Radeon RX 7900 GRE183.9 TOPSINT4 Tensor

x20.64

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Theoretical Performance

Clock Speed2900MHz UC·Base·Boost·OC	Clock Speed2245MHz UC·Base·Boost·OC
Peak OPS 8.91 TFLOPSFP16	Peak OPS 183.9 TOPSINT4 Tensor
-	Tensor FP16-16 45.98 TFLOPS Tensor FP16-32 45.98 TFLOPS
BF16 8.91 TFLOPS Tensor BF16 -	BF16 91.96 TFLOPS Tensor BF16 45.98 TFLOPS
FP32 4.45 TFLOPS	FP32 45.98 TFLOPS
FP64 278.4 GFLOPS	FP64 1.44 TFLOPS
Tensor INT4 -	Tensor INT4 183.9 TOPS
-	Tensor INT8 45.98 TOPS
Pixel Rate 92.8 GPixel/s	Pixel Rate 359.2 GPixel/s
Texture Rate 139.2 GTexel/s	Texture Rate 718.4 GTexel/s

Core Config

Shaders 768 Shaders	Shaders 5,120 Shaders
TMUs 48 TMUs	TMUs 320 TMUs
ROPs 32 ROPs	ROPs 160 ROPs
Tensor Cores -	Tensor Cores 160 T-Cores
RT Cores 12 RT-Cores	RT Cores 80 RT-Cores
CUs 12 CUs	CUs 80 CUs

Clocks

Base Clock 1.5GHz	Base Clock 1.88GHz
Boost Clock 2.9GHz	Boost Clock 2.25GHz

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 64MB shared
L3 Bandwidth -	L3 Bandwidth 2.25TB/s

Memory

Shared MemoryDDR5	16GB GDDR6 placeholder
Memory Bus 128-bit	Memory Bus 256-bit
Memory Speed 5.2GT/s	Memory Speed 18GT/s
Memory Bandwidth 83.2GB/s	Memory Bandwidth 576GB/s
ECC No	ECC No

Power & Thermals

TDP Shared

TDP 260W

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 110mm (4.33") Width 276mm (10.87") 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 8, 2024	Release Date Jul 27, 2023

Fabrication

Foundry TSMC	Foundry TSMC
Other Foundries -	Other Foundries TSMCMCD
Fabrication Node N4 -	Fabrication Node N5 N6MCD
Die Size 178mm² -	Die Size 304mm² 150mm²MCD
Transistor Count 25B -	Transistor Count 45.4B 8.2BMCD
Transistor Density 140 MTr/mm² -	Transistor Density 149.2 MTr/mm² 54.67 MTr/mm²MCD

Images