AMD Radeon RX 7800 XT vs AMD Viola Full Specs

Summary

3,840 Shaders 2.43GHz	3,840 Shaders 2.23GHz
16GB GDDR6620.8GB/s	Shared Memory
Peak·FP32·FP16 37.32 TFLOPS	Peak·FP32·FP16 34.3 TFLOPS
Form Factor PCIe Card	Form Factor iGPU
TDP 263W	TDP 180W
Power Connectors 2x 8-Pin	Power Connectors -

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 RX 7800 XT149.3 TOPSINT4 Tensor

x2.18

Viola68.6 TFLOPSFP16

x1

Show Top Score

Theoretical Performance

Clock Speed2430MHz UC·Base·Boost·OC	Clock Speed2233MHz UC·Boost·OC
Peak OPS 149.3 TOPSINT4 Tensor	Peak OPS 68.6 TFLOPSFP16
Tensor FP16-16 37.32 TFLOPS Tensor FP16-32 37.32 TFLOPS	-
BF16 74.65 TFLOPS Tensor BF16 37.32 TFLOPS	BF16 68.6 TFLOPS Tensor BF16 -
FP32 37.32 TFLOPS	FP32 34.3 TFLOPS
FP64 1.17 TFLOPS	FP64 1.07 TFLOPS
Tensor INT4 149.3 TOPS	Tensor INT4 -
Tensor INT8 37.32 TOPS	-
Pixel Rate 233.3 GPixel/s	Pixel Rate 214.4 GPixel/s
Texture Rate 583.2 GTexel/s	Texture Rate 535.9 GTexel/s

Core Config

Shaders 3,840 Shaders	Shaders 3,840 Shaders
TMUs 240 TMUs	TMUs 240 TMUs
ROPs 96 ROPs	ROPs 96 ROPs
Tensor Cores 120 T-Cores	Tensor Cores -
RT Cores 60 RT-Cores	RT Cores 60 RT-Cores
CUs 60 CUs	CUs 60 CUs

Clocks

Base Clock 1.8GHz	Base Clock -
Boost Clock 2.43GHz	Boost Clock 2.23GHz

Cache

L0 Cache 64KB/WGP	L0 Cache -
L1 256KB/Array	L1 -
L2 Cache 4MB shared	L2 Cache 4MB shared
L3 Cache 64MB shared	L3 Cache -
L3 Bandwidth 2.25TB/s	L3 Bandwidth -

Memory

16GB GDDR6	Shared Memory
Memory Bus 256-bit	Memory Bus 256-bit
Memory Speed 19.4GT/s	Memory Speed 18GT/s
Memory Bandwidth 620.8GB/s	Memory Bandwidth 576GB/s
ECC No	ECC No

Power & Thermals

TDP 263W

TDP 180W

Video Output

Max Resolution 7680x4320	Max Resolution 3840x2160
Refresh Rate Calculator 7680x4320 Resolution8K UHD Refresh Rate 165Hz	Refresh Rate Calculator 3840x2160 Resolution4K UHD Refresh Rate 120Hz
Multi-Monitor 3	Multi-Monitor 1
Adaptive Sync FreeSync	Adaptive Sync FreeSync
DSC Supported	DSC Not Supported
HDCP HDCP 2.3	HDCP -

Ports

3x DisplayPort 2.1 1x HDMI 2.1

-

API Support

Shader Model 6.7	Shader Model 6.5
DirectX DirectX 12 Direct3D 12_2	-
OpenGL 4.6 OpenCL 2.2 Vulkan 1.3	OpenGL 4.6 OpenCL 1.2 Vulkan 1.2
GFX 11	-

Encoder

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

Decoder

Decoder VCN 4.0	-
Codec MPEG-1 MPEG-2 MPEG-4 JPEG VC-1 VP9 AVC (H.264) HEVC (H.265) AV1	Codec -

Card

Form Factor PCIe Card	Form Factor iGPU
PCIe PCIe 4.0 x16 2.5-Slots	PCIe -
Height 111mm (4.37") Width 267mm (10.51") Depth 50mm (1.97")	-
Cooling Open-Air 2x Fans	Cooling Open-Air -
Power Connectors 2x 8-Pin	Power Connectors -
Multi-GPU Multi-GPU Support Supported Multi-GPU Type CrossFire XDMA	Multi-GPU -

Chip

Manufacturer AMD	Manufacturer AMD
Chip Designer AMD	Chip Designer AMD
Architecture RDNA 3	Architecture RDNA 4
Family Radeon RX 7000	Family Console
Branding	Branding
Codename Wheat Nas	Codename -
Chip Variant Navi 32	Chip Variant -
Market Segment Desktop	Market Segment Console
Release Date Aug 25, 2023	Release Date Sep 10, 2024

Fabrication

Foundry TSMC	Foundry TSMC
Other Foundries TSMCMCD	Other Foundries -
Fabrication Node N5 N6MCD	Fabrication Node N6 -
Die Size 200mm² 150mm²MCD	Die Size 260mm² -
Transistor Count 28.1B 8.2BMCD	Transistor Count 10.6B -
Transistor Density 140.5 MTr/mm² 54.67 MTr/mm²MCD	Transistor Density 41 MTr/mm² -

Images