ATI Radeon HD 2900 XT vs AMD Radeon RX 7800 XT Full Specs

Summary

320 Shaders 743MHz	3,840 Shaders 2.43GHz
1GB GDDR4128GB/s	16GB GDDR6620.8GB/s
Peak·FP32·FP16 475.5 GFLOPS	Peak·FP32·FP16 37.32 TFLOPS
Form Factor PCIe Card	Form Factor PCIe Card
TDP 215W	TDP 263W
Power Connectors 1x 8-Pin 1x 6-Pin	Power Connectors 2x 8-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 HD 2900 XT475.5 GFLOPSFP32

x1

Radeon RX 7800 XT149.3 TOPSINT4 Tensor

x313.97

Show Top Score

Theoretical Performance

Clock Speed743MHz UC·Boost·OC	Clock Speed2430MHz UC·Base·Boost·OC
Peak OPS 475.5 GFLOPSFP32	Peak OPS 149.3 TOPSINT4 Tensor
-	Tensor FP16-16 37.32 TFLOPS Tensor FP16-32 37.32 TFLOPS
-	BF16 74.65 TFLOPS Tensor BF16 37.32 TFLOPS
FP32 475.5 GFLOPS	FP32 37.32 TFLOPS
-	FP64 1.17 TFLOPS
Tensor INT4 -	Tensor INT4 149.3 TOPS
-	Tensor INT8 37.32 TOPS
Pixel Rate 11.9 GPixel/s	Pixel Rate 233.3 GPixel/s
Texture Rate 11.9 GTexel/s	Texture Rate 583.2 GTexel/s

Core Config

Shaders 320 Shaders	Shaders 3,840 Shaders
TMUs 16 TMUs	TMUs 240 TMUs
ROPs 16 ROPs	ROPs 96 ROPs
Tensor Cores -	Tensor Cores 120 T-Cores
RT Cores -	RT Cores 60 RT-Cores
CUs 4 CUs	CUs 60 CUs

Clocks

Base Clock -	Base Clock 1.8GHz
Boost Clock 743MHz	Boost Clock 2.43GHz

Cache

L2 Cache 256KB shared	L2 Cache 4.1MB shared
L3 Cache -	L3 Cache 64MB shared
L3 Bandwidth -	L3 Bandwidth 2.25TB/s

Memory

1GB GDDR4	16GB GDDR6
Memory Bus 512-bit	Memory Bus 256-bit
Memory Speed 2GT/s	Memory Speed 19.4GT/s
Memory Bandwidth 128GB/s	Memory Bandwidth 620.8GB/s

Power & Thermals

TDP 215W

TDP 263W

Video Output

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

Ports

-	3x DisplayPort 2.1
-	1x HDMI 2.1
2x DVI-I Dual-Link	-
1x S-Video	-

Encoder

-	Encoder Model VCN 4.0

Decoder

Decoder Model UVD 1.0

Decoder Model VCN 4.0

Card

Form Factor PCIe Card	Form Factor PCIe Card
PCIe 2-Slots	PCIe 2.5-Slots
-	Height 111 mm (4.37") Width 267 mm (10.51") Depth 50 mm (1.97")
Cooling Blower 1x Fan	Cooling Open-Air 2x Fans
Power Connectors 1x 8-Pin, 1x 6-Pin	Power Connectors 2x 8-Pin

Chip

Manufacturer ATI	Manufacturer AMD
Chip Designer ATI	Chip Designer AMD
Architecture TeraScale 1	Architecture RDNA 3
Family Radeon HD 2000	Family Radeon RX 7000
Branding	Branding
Codename Pele	Codename Wheat Nas
Chip Variant R600 GT	Chip Variant Navi 32
Market Segment Desktop	Market Segment Desktop
Release Date May 14, 2007	Release Date Aug 25, 2023

Fabrication

Foundry TSMC	Foundry TSMC
Other Foundries -	Other Foundries TSMCMCD
Fabrication Node 80nm -	Fabrication Node N5 N6MCD
Die Size 420mm² -	Die Size 200mm² 150mm²MCD
Transistor Count 720 Million -	Transistor Count 28.1 Billion 8.2 BillionMCD
Transistor Density 1.71 MTr/mm² -	Transistor Density 140.5 MTr/mm² 54.67 MTr/mm²MCD

Images

No images available

No images available

Competitors

ATIRadeon HD 2900 XT vs GPU AMDRadeon RX 7600 XT ATIRadeon HD 2900 XT vs GPU AMDRadeon RX 7700 ATIRadeon HD 2900 XT vs GPU AMDRadeon RX 7700 XT Show 12 more

AMDRadeon RX 7800 XT vs GPU NVIDIAGeForce RTX 5070 AMDRadeon RX 7800 XT vs GPU NVIDIAGeForce RTX 4070 Ti Super AMDRadeon RX 7800 XT vs GPU NVIDIAGeForce RTX 4070 Super Show 12 more