AMD Radeon RX 7400 vs AMD Radeon RX 7900 GRE Full Specs

Summary

1,792 Shaders 1.1GHz	5,120 Shaders 2.25GHz
8GB GDDR6172.8GB/s	16GB GDDR6576GB/s
Peak·FP32·FP16 7.88 TFLOPS	Peak·FP32·FP16 45.98 TFLOPS
Form Factor PCIe Card	Form Factor PCIe Card
TDP 55W	TDP 260W
Power Connectors 1x 8-Pin	Power Connectors 2x 8-Pin

Theoretical Performance

Clock Speed1100MHz UC·Base·Boost·OC	Clock Speed2245MHz UC·Base·Boost·OC
Peak OPS 31.54 TOPSINT4 Tensor	Peak OPS 183.9 TOPSINT4 Tensor
Tensor FP16-16 7.88 TFLOPS Tensor FP16-32 7.88 TFLOPS	Tensor FP16-16 45.98 TFLOPS Tensor FP16-32 45.98 TFLOPS
BF16 15.77 TFLOPS Tensor BF16 7.88 TFLOPS	BF16 91.96 TFLOPS Tensor BF16 45.98 TFLOPS
FP32 7.88 TFLOPS	FP32 45.98 TFLOPS
FP64 246.4 GFLOPS	FP64 1.44 TFLOPS
Tensor INT4 31.54 TOPS	Tensor INT4 183.9 TOPS
Tensor INT8 7.88 TOPS	Tensor INT8 45.98 TOPS
Pixel Rate 70.4 GPixel/s	Pixel Rate 359.2 GPixel/s
Texture Rate 123.2 GTexel/s	Texture Rate 718.4 GTexel/s

Core Config

Shaders 1,792 Shaders	Shaders 5,120 Shaders
TMUs 112 TMUs	TMUs 320 TMUs
ROPs 64 ROPs	ROPs 160 ROPs
Tensor Cores 56 T-Cores	Tensor Cores 160 T-Cores
RT Cores 28 RT-Cores	RT Cores 80 RT-Cores
CUs 28 CUs	CUs 80 CUs

Clocks

Base Clock 1GHz	Base Clock 1.88GHz
Boost Clock 1.1GHz	Boost Clock 2.25GHz

Cache

L2 Cache 2MB shared	L2 Cache 6MB shared
L3 Cache 32MB shared	L3 Cache 64MB shared
L3 Bandwidth 1.16TB/s	L3 Bandwidth 2.25TB/s

Memory

8GB GDDR6	16GB GDDR6
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 260W

Video Output

Multi-Monitor 3	Multi-Monitor 3
HDCP HDCP 2.3	HDCP HDCP 2.3

Ports

3x DisplayPort 2.1 1x HDMI 2.1 -

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

Encoder

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

Decoder

Decoder Model VCN 4.0	Decoder Model 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 PCIe Card	Form Factor PCIe Card
PCIe 2-Slots	PCIe 2.5-Slots
Height 115 mm (4.53") Width 204 mm (8.03") Depth 40 mm (1.57")	Height 110 mm (4.33") Width 276 mm (10.87") Depth 51 mm (2.01")
Cooling Open-Air 2x Fans	Cooling Open-Air 3x Fans
Power Connectors 1x 8-Pin	Power Connectors 2x 8-Pin

Chip

Manufacturer AMD	Manufacturer AMD
Chip Designer AMD	Chip Designer AMD
Architecture RDNA 3	Architecture RDNA 3
Family Radeon RX 7000	Family Radeon RX 7000
Branding	Branding
Codename Hotpink Bonefish	Codename Plum Bonito
Chip Variant Navi 33 XL	Chip Variant Navi 31 XL
Market Segment Desktop	Market Segment Desktop
Release Date Aug 8, 2025	Release Date Jul 27, 2023

Fabrication

Foundry TSMC	Foundry TSMC
Other Foundries -	Other Foundries TSMCMCD
Fabrication Node N6 -	Fabrication Node N5 N6MCD
Die Size 204mm² -	Die Size 304mm² 150mm²MCD
Transistor Count 13.3 Billion -	Transistor Count 45.4 Billion 8.2 BillionMCD
Transistor Density 65.2 MTr/mm² -	Transistor Density 149.2 MTr/mm² 54.67 MTr/mm²MCD

Images