AMD Radeon RX 7900 XT vs ATI Radeon HD 2900 XTX

VS

AMD Radeon RX 7900 XT

ATI Radeon HD 2900 XTX

We compared two Desktop platform GPUs: 20GB VRAM Radeon RX 7900 XT and 512MB VRAM Radeon HD 2900 XTX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7900 XT 's Advantages

Boost Clock2394MHz

More VRAM (20GB vs 512GB)

Larger VRAM bandwidth (800.0GB/s vs 106.0GB/s)

5056 additional rendering cores

ATI Radeon HD 2900 XTX 's Advantages

Lower TDP (240W vs 300W)

Score

Benchmark

FP32 (float)

Radeon RX 7900 XT +10715%

51.48 TFLOPS

Radeon HD 2900 XTX

0.476 TFLOPS

Radeon RX 7900 XT

VS

Radeon HD 2900 XTX

Graphics Card

Nov 2022

Release Date

Unknown

Navi III

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

1387 MHz

Base Clock

-

2394 MHz

Boost Clock

-

2500 MHz

Memory Clock

828 MHz

Memory

20GB

Memory Size

512MB

GDDR6

Memory Type

GDDR3

320bit

Memory Bus

512bit

800.0GB/s

Bandwidth

106.0GB/s

Render Config

84

Compute Units

4

-

5376

Shading Units

320

336

TMUs

16

192

ROPs

16

-

84

RT Cores

-

256 KB per Array

L1 Cache

-

6 MB

L2 Cache

256 KB

80 MB

L3 Cache

-

Theoretical Performance

459.6 GPixel/s

Pixel Rate

11.89 GPixel/s

804.4 GTexel/s

Texture Rate

11.89 GTexel/s

103.0 TFLOPS

FP16 (half)

-

51.48 TFLOPS

FP32 (float)

475.5 GFLOPS

1.609 TFLOPS

FP64 (double)

-

Board Design

300W

TDP

240W

700 W

Suggested PSU

550 W

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

Outputs

2x DVI 1x S-Video

2x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

Navi 31

GPU Name

R600

Navi 31 XT (215-145000156)

GPU Variant

R600 XTX A11 (215RGMDKA11FG)

RDNA 3.0

Architecture

TeraScale

TSMC

Foundry

TSMC

5 nm

Process Size

80 nm

57.7 billion

Transistors

0.72 billion

529 mm²

Die Size

420 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

10.0 (10_0)

4.6

OpenGL

3.3 (full) 4.0 (partial)

2.2

OpenCL

N/A

1.3

Vulkan

N/A

-

6.7

Shader Model

4.0

Related GPU Comparisons

1

AMD Radeon RX 7900 XT vs AMD Radeon HD 7750

2

AMD Radeon RX 7900 XT vs AMD Radeon RX 5700 XT 50th Anniversary

3

AMD Radeon RX 7900 XT vs AMD FirePro W9000

4

AMD Radeon RX 7900 XT vs NVIDIA GeForce 210 PCI

5

AMD Radeon RX 7900 XT vs AMD Radeon R7 250XE

6

AMD Radeon RX 7900 XT vs ATI FirePro V8700 Duo

7

AMD Radeon RX 7900 XT vs NVIDIA GeForce RTX 3060 12 GB GA104

8

AMD Radeon RX 7900 XT vs AMD Radeon R9 380

9

AMD Radeon RX 7900 XT vs NVIDIA GeForce GTX 465

10

AMD Radeon RX 7900 XT vs AMD Radeon HD 8970 OEM

Related News

1

Double the Excitement! AMD FSR 4.0 to Launch Alongside RX 9070 XT Graphics Card

2

CPU-Z Minor Update: Support for Intel's Four New Products and New Memory

3

CXMT Reportedly Achieves 80% Yield in DDR5 Production

4

Intel Wildcat Lake Appears on Shipping List with FCBGA1516 Socket, Poised to Replace Alder Lake-N

5

The Commencement of ARM and Qualcomm Licensing Dispute Trial: Potential Major Impact on PC Market

6

NVIDIA Allegedly Equips RTX 5080 with 30Gbps Memory Speed, Other Models to Feature 28Gbps

7

Intel Reports High Return Rates for Devices Featuring Snapdragon X Series; Qualcomm Counters with 'Industry Standard' Claim

8

Intel Confirms Panther Lake Adopts 18A Process, ES0 Samples Already Sent to Customers

9

Complete Lineup of Core Ultra 200HX/H/U and Core 200H/U Revealed: 31 Models to Dazzle the Eyes

10

Amechi Unveils V1 Mini PC: Only 0.33L Volume with 150W Power Consumption