AMD Radeon RX 9070 XT vs AMD Viola Full Specs

Summary

4,096 Shaders 2.97GHz	3,840 Shaders 2.23GHz
16GB GDDR6640GB/s	Shared Memory
Peak·FP32·FP16 48.66 TFLOPS	Peak·FP32·FP16 34.3 TFLOPS
Form Factor PCIe Card	Form Factor iGPU
TDP 304W	TDP 180W
Power Connectors 2x 8-Pin	Power Connectors -

Highlights

Peak OPS

Peak OPS FP32 FP16 Tensor FP8-16 FP8-16 Tensor Sparse Tensor FP8-32 FP8-32 Tensor Sparse Tensor FP16-16 FP16-16 Tensor Sparse Tensor FP16-32 FP16-32 Tensor Sparse FP64 BF16 Tensor BF16 BF16 Tensor Sparse Tensor INT8 Tensor INT4 Memory Bandwidth TDP

Radeon RX 9070 XT1.56 POPSINT4 Tensor Sparse

x22.70

Viola68.6 TFLOPSFP16

x1

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Theoretical Performance

Clock Speed2970MHz UC·Base·Boost·OC	Clock Speed2233MHz UC·Boost·OC
Peak OPS 1.56 POPSINT4 Tensor Sparse	Peak OPS 68.6 TFLOPSFP16
Tensor FP8-16 194.6 TFLOPS FP8-16 Tensor Sparse 389.3 TFLOPS Tensor FP8-32 194.6 TFLOPS FP8-32 Tensor Sparse 389.3 TFLOPS	-
Tensor FP16-16 97.32 TFLOPS FP16-16 Tensor Sparse 194.6 TFLOPS Tensor FP16-32 97.32 TFLOPS FP16-32 Tensor Sparse 194.6 TFLOPS	-
BF16 97.32 TFLOPS Tensor BF16 97.32 TFLOPS BF16 Tensor Sparse 194.6 TFLOPS	BF16 68.6 TFLOPS Tensor BF16 - BF16 Tensor Sparse -
FP32 48.66 TFLOPS	FP32 34.3 TFLOPS
FP64 1.52 TFLOPS	FP64 1.07 TFLOPS
Tensor INT4 778.6 TOPS	Tensor INT4 -
Tensor INT8 389.3 TOPS	-
Pixel Rate 380.2 GPixel/s	Pixel Rate 214.4 GPixel/s
Texture Rate 760.3 GTexel/s	Texture Rate 535.9 GTexel/s

Core Config

Shaders 4,096 Shaders	Shaders 3,840 Shaders
TMUs 256 TMUs	TMUs 240 TMUs
ROPs 128 ROPs	ROPs 96 ROPs
Tensor Cores 128 T-Cores	Tensor Cores -
RT Cores 64 RT-Cores	RT Cores 60 RT-Cores
CUs 64 CUs	CUs 60 CUs

Clocks

Base Clock 2.4GHz	Base Clock -
Boost Clock 2.97GHz	Boost Clock 2.23GHz

Cache

L0 Cache 64KB/WGP	L0 Cache -
L1 256KB/Array	L1 -
L2 Cache 8MB 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 20GT/s	Memory Speed 18GT/s
Memory Bandwidth 640GB/s	Memory Bandwidth 576GB/s
ECC No	ECC No

Power & Thermals

TDP 304W

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 6.8	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 12	-

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 5.0 x16 2.5-Slots	PCIe -
Height 111mm (4.37") Width 267mm (10.51") Depth 50mm (1.97")	-
Cooling Open-Air 3x 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 4	Architecture RDNA 4
Family Radeon RX 9000	Family Console
Branding	Branding
Chip Variant Navi 48 XL	Chip Variant -
Market Segment Desktop	Market Segment Console
Release Date Jan 6, 2025	Release Date Sep 10, 2024

Fabrication

Foundry TSMC	Foundry TSMC
Fabrication Node N4P	Fabrication Node N6
Die Size 357mm²	Die Size 260mm²
Transistor Count 53.9B	Transistor Count 10.6B
Transistor Density 151.2 MTr/mm²	Transistor Density 41 MTr/mm²

Images