NVIDIA GeForce GTX 465 vs ATI Radeon HD 4830

VS

NVIDIA GeForce GTX 465

ATI Radeon HD 4830

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 465 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 465 's Advantages

Released 1 years and 7 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (102.7GB/s vs 57.60GB/s)

ATI Radeon HD 4830 's Advantages

288 additional rendering cores

Lower TDP (95W vs 200W)

Score

Benchmark

FP32 (float)

GeForce GTX 465 +16%

0.855 TFLOPS

Radeon HD 4830

0.736 TFLOPS

GeForce GTX 465

VS

Radeon HD 4830

Graphics Card

May 2010

Release Date

Oct 2008

GeForce 400

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

802 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

256bit

102.7GB/s

Bandwidth

57.60GB/s

Render Config

-

Compute Units

8

11

SM Count

-

352

Shading Units

640

44

TMUs

32

ROPs

16

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

13.38 GPixel/s

Pixel Rate

9.200 GPixel/s

26.75 GTexel/s

Texture Rate

18.40 GTexel/s

-

855.4 GFLOPS

FP32 (float)

736.0 GFLOPS

106.9 GFLOPS

FP64 (double)

147.2 GFLOPS

Board Design

200W

TDP

95W

550 W

Suggested PSU

250 W

2x DVI 1x mini-HDMI 1.3a

Outputs

2x DVI 1x S-Video

2x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

GF100

GPU Name

RV770

GF100-030-A3

GPU Variant

RV770 LE (215-0669075)

Fermi

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

3.1 billion

Transistors

0.956 billion

529 mm²

Die Size

256 mm²

Graphics Features

12 (11_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

1.1

OpenCL

1.1

N/A

Vulkan

N/A

2.0

CUDA

-

5.1

Shader Model

4.1

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