NVIDIA GeForce GTX 280 vs AMD Radeon HD 6450 OEM

VS

NVIDIA GeForce GTX 280

AMD Radeon HD 6450 OEM

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 280 and 512MB VRAM Radeon HD 6450 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 280 's Advantages

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (141.7GB/s vs 8.528GB/s)

80 additional rendering cores

AMD Radeon HD 6450 OEM 's Advantages

Released 2 years and 8 months late

Lower TDP (18W vs 236W)

Score

Benchmark

FP32 (float)

GeForce GTX 280 +211%

0.622 TFLOPS

Radeon HD 6450 OEM

0.2 TFLOPS

GeForce GTX 280

VS

Radeon HD 6450 OEM

Graphics Card

Jun 2008

Release Date

Feb 2011

GeForce 200

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1107 MHz

Memory Clock

533 MHz

Memory

1024MB

Memory Size

512MB

GDDR3

Memory Type

GDDR3

512bit

Memory Bus

64bit

141.7GB/s

Bandwidth

8.528GB/s

Render Config

-

Compute Units

2

30

SM Count

-

240

Shading Units

160

80

TMUs

8

32

ROPs

4

-

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

19.26 GPixel/s

Pixel Rate

2.500 GPixel/s

48.16 GTexel/s

Texture Rate

5.000 GTexel/s

-

622.1 GFLOPS

FP32 (float)

200.0 GFLOPS

77.76 GFLOPS

FP64 (double)

-

Board Design

236W

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

GT200

GPU Name

Caicos

G200-300-A2

GPU Variant

Junbonator

Tesla 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

65 nm

Process Size

40 nm

1.4 billion

Transistors

0.37 billion

576 mm²

Die Size

67 mm²

Graphics Features

11.1 (10_0)

DirectX

11.2 (11_0)

3.3

OpenGL

4.4

1.1

OpenCL

1.2

N/A

Vulkan

N/A

1.3

CUDA

-

4.0

Shader Model

5.0

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