AMD Radeon RX 7400 vs ATI Radeon X850 XT Mac Full Specs

Summary

1,792 Shaders 1.1GHz	16 Shaders 520MHz
8GB GDDR6172.8GB/s	262MB GDDR334.6GB/s
Peak·FP32·FP16 7.88 TFLOPS	Peak·FP32·FP16 -
Form Factor PCIe Card	Form Factor PCIe Card
TDP 55W	TDP 65W
Power Connectors 1x 8-Pin -	Power Connectors - 1x 6-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 RX 740031.54 TOPSINT4 Tensor

x1

Radeon X850 XT Mac-

-

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Theoretical Performance

Clock Speed1100MHz UC·Base·Boost·OC	Clock Speed520MHz UC·Boost·OC
Peak OPS 31.54 TOPSINT4 Tensor	Peak OPS -
Tensor FP16-16 7.88 TFLOPS Tensor FP16-32 7.88 TFLOPS	-
BF16 15.77 TFLOPS Tensor BF16 7.88 TFLOPS	-
FP32 7.88 TFLOPS	-
FP64 246.4 GFLOPS	-
Tensor INT4 31.54 TOPS	Tensor INT4 -
Tensor INT8 7.88 TOPS	-
Pixel Rate 70.4 GPixel/s	Pixel Rate 8.3 GPixel/s
Texture Rate 123.2 GTexel/s	Texture Rate 8.3 GTexel/s

Core Config

Shaders 1,792 Shaders	Shaders 16 Shaders
TMUs 112 TMUs	TMUs 16 TMUs
ROPs 64 ROPs	ROPs 16 ROPs
Tensor Cores 56 T-Cores	Tensor Cores -
RT Cores 28 RT-Cores	RT Cores -
CUs 28 CUs	Units -

Clocks

Base Clock 1GHz	Base Clock -
Boost Clock 1.1GHz	Boost Clock 520MHz

Cache

L2 Cache 2MB shared	L2 Cache -
L3 Cache 32MB shared	L3 Cache -
L3 Bandwidth 1.16TB/s	L3 Bandwidth -

Memory

8GB GDDR6	262MB GDDR3
Memory Bus 128-bit	Memory Bus 256-bit
Memory Speed 10.8GT/s	Memory Speed 1.1GT/s
Memory Bandwidth 172.8GB/s	Memory Bandwidth 34.6GB/s
ECC No	ECC No

Power & Thermals

TDP 55W

TDP 65W

Video Output

Multi-Monitor 3	Multi-Monitor 2
HDCP HDCP 2.3	HDCP -

Ports

3x DisplayPort 2.1	-
1x HDMI 2.1	-
-	1x DVI-I Dual-Link
-	1x ADC

Encoder

Encoder Model VCN 4.0

-

Decoder

Decoder Model VCN 4.0

-

Card

Form Factor PCIe Card	Form Factor PCIe Card
PCIe 2-Slots	PCIe 1-Slots
Height 115 mm (4.53") Width 204 mm (8.03") Depth 40 mm (1.57")	-
Cooling Open-Air 2x Fans	Cooling Blower 1x Fan
Power Connectors 1x 8-Pin	Power Connectors 1x 6-Pin

Chip

Manufacturer AMD	Manufacturer ATI
Chip Designer AMD	Chip Designer ATI
Architecture RDNA 3	Architecture R400
Family Radeon RX 7000	Family Radeon X100
Branding	Branding
Codename Hotpink Bonefish	Codename Thor
Chip Variant Navi 33 XL	Chip Variant -
Market Segment Desktop	Market Segment Desktop
Release Date Aug 8, 2025	Release Date Apr 1, 2005

Fabrication

Foundry TSMC	Foundry TSMC
Fabrication Node N6	Fabrication Node 130nm
Die Size 204mm²	Die Size 281mm²
Transistor Count 13.3 Billion	Transistor Count 160 Million
Transistor Density 65.2 MTr/mm²	Transistor Density 0.57 MTr/mm²

Images

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Used In

Desktops -

Desktops Power Mac G5(Early 2005)

Competitors

AMDRadeon RX 7400 vs GPU NVIDIAGeForce RTX 3050 6GB AMDRadeon RX 7400 vs GPU GIGABYTEGeForce RTX 3050 OC Low Profile 6G AMDRadeon RX 7400 vs GPU MSIGeForce RTX 3050 LP 6G OC Show 12 more

ATIRadeon X850 XT Mac vs GPU NVIDIAGeForce RTX 3050 6GB ATIRadeon X850 XT Mac vs GPU GIGABYTEGeForce RTX 3050 OC Low Profile 6G ATIRadeon X850 XT Mac vs GPU MSIGeForce RTX 3050 LP 6G OC Show 6 more