ATI Radeon HD 2900 XT vs AMD Radeon HD 6450 OEM

VS

ATI Radeon HD 2900 XT

AMD Radeon HD 6450 OEM

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 2900 XT and 512MB VRAM Radeon HD 6450 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 2900 XT 's Advantages

Larger VRAM bandwidth (106.0GB/s vs 8.528GB/s)

160 additional rendering cores

AMD Radeon HD 6450 OEM 's Advantages

Released 3 years and 9 months late

Lower TDP (18W vs 215W)

Score

Benchmark

FP32 (float)

Radeon HD 2900 XT +138%

0.476 TFLOPS

Radeon HD 6450 OEM

0.2 TFLOPS

Radeon HD 2900 XT

VS

Radeon HD 6450 OEM

Graphics Card

May 2007

Release Date

Feb 2011

Radeon R600

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

828 MHz

Memory Clock

533 MHz

Memory

512MB

Memory Size

512MB

GDDR3

Memory Type

GDDR3

512bit

Memory Bus

64bit

106.0GB/s

Bandwidth

8.528GB/s

Render Config

4

Compute Units

2

-

320

Shading Units

160

16

TMUs

8

16

ROPs

4

-

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

11.89 GPixel/s

Pixel Rate

2.500 GPixel/s

11.89 GTexel/s

Texture Rate

5.000 GTexel/s

-

475.5 GFLOPS

FP32 (float)

200.0 GFLOPS

-

Board Design

215W

TDP

18W

550 W

Suggested PSU

200 W

2x DVI 1x S-Video

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

R600

GPU Name

Caicos

R600 XT (215RGMDKA13FG)

GPU Variant

Junbonator

TeraScale

Architecture

TeraScale 2

TSMC

Foundry

TSMC

80 nm

Process Size

40 nm

0.72 billion

Transistors

0.37 billion

420 mm²

Die Size

67 mm²

Graphics Features

10.0 (10_0)

DirectX

11.2 (11_0)

3.3 (full) 4.0 (partial)

OpenGL

4.4

N/A

OpenCL

1.2

N/A

Vulkan

N/A

-

4.0

Shader Model

5.0

Related GPU Comparisons

1

ATI Radeon HD 2900 XT vs AMD Radeon RX 6750 GRE

2

ATI Radeon HD 2900 XT vs NVIDIA GeForce RTX 4090

3

ATI Radeon HD 2900 XT vs NVIDIA GeForce GTX 1060 8 GB GDDR5X

4

ATI Radeon HD 2900 XT vs NVIDIA NVS 1000

5

ATI Radeon HD 2900 XT vs AMD Radeon RX 590

6

ATI Radeon HD 2900 XT vs ATI Radeon HD 5490

7

ATI Radeon HD 2900 XT vs NVIDIA GeForce GTX 460 OEM

8

ATI Radeon HD 2900 XT vs NVIDIA GeForce RTX 4050

9

ATI Radeon HD 2900 XT vs NVIDIA GeForce 205 OEM

10

ATI Radeon HD 2900 XT vs NVIDIA GeForce GTX 260 Rev. 2

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