ATI Radeon HD 2900 XTX vs ATI Radeon HD 5450 PCI

VS

ATI Radeon HD 2900 XTX ATI Radeon HD 5450 PCI

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 2900 XTX and 512MB VRAM Radeon HD 5450 PCI to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 2900 XTX 's Advantages

Larger VRAM bandwidth (106.0GB/s vs 5.328GB/s)

240 additional rendering cores

ATI Radeon HD 5450 PCI 's Advantages

Lower TDP (19W vs 240W)

Score

Benchmark

FP32 (float)

Radeon HD 2900 XTX +357%

0.476 TFLOPS

Radeon HD 5450 PCI

0.104 TFLOPS

Radeon HD 2900 XTX

VS

Radeon HD 5450 PCI

Graphics Card

Unknown

Release Date

Feb 2010

Radeon R600

Generation

Evergreen

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCI

Clock Speeds

-

Base Clock

-

Boost Clock

-

828 MHz

Memory Clock

333 MHz

Memory

512MB

Memory Size

512MB

GDDR3

Memory Type

DDR2

512bit

Memory Bus

64bit

106.0GB/s

Bandwidth

5.328GB/s

Render Config

-

SM Count

-

4

Compute Units

2

320

Shading Units

80

16

TMUs

8

16

ROPs

4

-

Tensor Cores

-

RT Cores

-

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

128 KB

Theoretical Performance

11.89 GPixel/s

Pixel Rate

2.600 GPixel/s

11.89 GTexel/s

Texture Rate

5.200 GTexel/s

-

FP16 (half)

-

475.5 GFLOPS

FP32 (float)

104.0 GFLOPS

-

FP64 (double)

-

Graphics Processor

R600

GPU Name

Cedar

R600 XTX A11 (215RGMDKA11FG)

GPU Variant

Cedar PRO

TeraScale

Architecture

TeraScale 2

TSMC

Foundry

TSMC

80 nm

Process Size

40 nm

0.72 billion

Transistors

0.292 billion

420 mm²

Die Size

59 mm²

Board Design

240W

TDP

19W

550 W

Suggested PSU

200 W

2x DVI 1x S-Video

Outputs

1x DVI 1x HDMI 1.3a

2x 6-pin

Power Connectors

None

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

-

CUDA

-

4.0

Shader Model

5.0

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