ATI Radeon HD 2900 XTX vs NVIDIA GeForce GT 545 OEM

VS

ATI Radeon HD 2900 XTX

NVIDIA GeForce GT 545 OEM

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 2900 XTX and 1024MB VRAM GeForce GT 545 OEM 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 64.00GB/s)

176 additional rendering cores

NVIDIA GeForce GT 545 OEM 's Advantages

More VRAM (1024GB vs 512GB)

Lower TDP (105W vs 240W)

Score

Benchmark

FP32 (float)

Radeon HD 2900 XTX

0.476 TFLOPS

GeForce GT 545 OEM +5%

0.501 TFLOPS

Radeon HD 2900 XTX

VS

GeForce GT 545 OEM

Graphics Card

Unknown

Release Date

May 2011

Radeon R600

Generation

GeForce 500

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

828 MHz

Memory Clock

1000 MHz

Memory

512MB

Memory Size

1024MB

GDDR3

Memory Type

GDDR5

512bit

Memory Bus

128bit

106.0GB/s

Bandwidth

64.00GB/s

Render Config

4

Compute Units

-

SM Count

3

320

Shading Units

144

16

TMUs

24

16

ROPs

16

-

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

11.89 GPixel/s

Pixel Rate

5.226 GPixel/s

11.89 GTexel/s

Texture Rate

20.90 GTexel/s

-

475.5 GFLOPS

FP32 (float)

501.4 GFLOPS

-

FP64 (double)

41.78 GFLOPS

Board Design

240W

TDP

105W

550 W

Suggested PSU

300 W

2x DVI 1x S-Video

Outputs

2x DVI 1x mini-HDMI 1.3a

2x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

R600

GPU Name

GF116

R600 XTX A11 (215RGMDKA11FG)

GPU Variant

GF116-110-KA-A1

TeraScale

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

80 nm

Process Size

40 nm

0.72 billion

Transistors

1.17 billion

420 mm²

Die Size

238 mm²

Graphics Features

10.0 (10_0)

DirectX

12 (11_0)

3.3 (full) 4.0 (partial)

OpenGL

4.6

N/A

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

2.1

4.0

Shader Model

5.1

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