AMD Radeon RX 7400 vs AMD Viola Full Specs

Summary

1,792 Shaders 1.1GHz	3,840 Shaders 2.23GHz
8GB GDDR6172.8GB/s	Shared Memory
Peak·FP32·FP16 7.88 TFLOPS	Peak·FP32·FP16 34.3 TFLOPS
Form Factor PCIe Card	Form Factor iGPU
TDP 55W	TDP 180W
Power Connectors 1x 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 740031.54 TOPSINT4 Tensor

x1

Viola68.6 TFLOPSFP16

x2.17

Show Top Score

Theoretical Performance

Clock Speed1100MHz UC·Base·Boost·OC	Clock Speed2233MHz UC·Boost·OC
Peak OPS 31.54 TOPSINT4 Tensor	Peak OPS 68.6 TFLOPSFP16
Tensor FP16-16 7.88 TFLOPS Tensor FP16-32 7.88 TFLOPS	-
BF16 15.77 TFLOPS Tensor BF16 7.88 TFLOPS	BF16 68.6 TFLOPS Tensor BF16 -
FP32 7.88 TFLOPS	FP32 34.3 TFLOPS
FP64 246.4 GFLOPS	FP64 1.07 TFLOPS
Tensor INT4 31.54 TOPS	Tensor INT4 -
Tensor INT8 7.88 TOPS	-
Pixel Rate 70.4 GPixel/s	Pixel Rate 214.4 GPixel/s
Texture Rate 123.2 GTexel/s	Texture Rate 535.9 GTexel/s

Core Config

Shaders 1,792 Shaders	Shaders 3,840 Shaders
TMUs 112 TMUs	TMUs 240 TMUs
ROPs 64 ROPs	ROPs 96 ROPs
Tensor Cores 56 T-Cores	Tensor Cores -
RT Cores 28 RT-Cores	RT Cores 60 RT-Cores
CUs 28 CUs	CUs 60 CUs

Clocks

Base Clock 1GHz	Base Clock -
Boost Clock 1.1GHz	Boost Clock 2.23GHz

Cache

L0 Cache 64KB/WGP	L0 Cache -
L1 256KB/Array	L1 -
L2 Cache 2MB shared	L2 Cache 4MB shared
L3 Cache 32MB shared	L3 Cache -
L3 Bandwidth 1.16TB/s	L3 Bandwidth -

Memory

8GB GDDR6	Shared Memory
Memory Bus 128-bit	Memory Bus 256-bit
Memory Speed 10.8GT/s	Memory Speed 18GT/s
Memory Bandwidth 172.8GB/s	Memory Bandwidth 576GB/s
ECC No	ECC No

Power & Thermals

TDP 55W

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 x8 2-Slots	PCIe -
Height 115mm (4.53") Width 204mm (8.03") Depth 40mm (1.57")	-
Cooling Open-Air 2x Fans	Cooling Open-Air -
Power Connectors 1x 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 Hotpink Bonefish	Codename -
Chip Variant Navi 33 XL	Chip Variant -
Market Segment Desktop	Market Segment Console
Release Date Aug 8, 2025	Release Date Sep 10, 2024

Fabrication

Foundry TSMC	Foundry TSMC
Fabrication Node N6	Fabrication Node N6
Die Size 204mm²	Die Size 260mm²
Transistor Count 13.3B	Transistor Count 10.6B
Transistor Density 65.2 MTr/mm²	Transistor Density 41 MTr/mm²

Images