NVIDIA GeForce GTX 280 vs ATI Radeon HD 4830

VS

NVIDIA GeForce GTX 280

ATI Radeon HD 4830

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 280 and 512MB VRAM Radeon HD 4830 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 57.60GB/s)

ATI Radeon HD 4830 's Advantages

400 additional rendering cores

Lower TDP (95W vs 236W)

Score

Benchmark

FP32 (float)

GeForce GTX 280

0.622 TFLOPS

Radeon HD 4830 +18%

0.736 TFLOPS

GeForce GTX 280

VS

Radeon HD 4830

Graphics Card

Jun 2008

Release Date

Oct 2008

GeForce 200

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1107 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

512MB

GDDR3

Memory Type

GDDR3

512bit

Memory Bus

256bit

141.7GB/s

Bandwidth

57.60GB/s

Render Config

-

Compute Units

8

30

SM Count

-

240

Shading Units

640

80

TMUs

32

ROPs

16

-

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

19.26 GPixel/s

Pixel Rate

9.200 GPixel/s

48.16 GTexel/s

Texture Rate

18.40 GTexel/s

-

622.1 GFLOPS

FP32 (float)

736.0 GFLOPS

77.76 GFLOPS

FP64 (double)

147.2 GFLOPS

Board Design

236W

TDP

95W

550 W

Suggested PSU

250 W

2x DVI 1x S-Video

Outputs

2x DVI 1x S-Video

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

GT200

GPU Name

RV770

G200-300-A2

GPU Variant

RV770 LE (215-0669075)

Tesla 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

65 nm

Process Size

55 nm

1.4 billion

Transistors

0.956 billion

576 mm²

Die Size

256 mm²

Graphics Features

11.1 (10_0)

DirectX

10.1 (10_1)

3.3

OpenGL

3.3

1.1

OpenCL

1.1

N/A

Vulkan

N/A

1.3

CUDA

-

4.0

Shader Model

4.1

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