NVIDIA GeForce GTX 465 vs ATI Radeon HD 3870 X2

VS

NVIDIA GeForce GTX 465

ATI Radeon HD 3870 X2

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 465 and 512MB VRAM Radeon HD 3870 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 465 's Advantages

Released 2 years and 4 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (102.7GB/s vs 57.66GB/s)

32 additional rendering cores

ATI Radeon HD 3870 X2 's Advantages

Lower TDP (165W vs 200W)

Score

Benchmark

FP32 (float)

GeForce GTX 465 +61%

0.855 TFLOPS

Radeon HD 3870 X2

0.528 TFLOPS

GeForce GTX 465

VS

Radeon HD 3870 X2

Graphics Card

May 2010

Release Date

Jan 2008

GeForce 400

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

802 MHz

Memory Clock

901 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

256bit

102.7GB/s

Bandwidth

57.66GB/s

Render Config

-

Compute Units

4

11

SM Count

-

352

Shading Units

320

44

TMUs

16

32

ROPs

16

-

64 KB (per SM)

L1 Cache

-

512 KB

L2 Cache

256 KB

-

Theoretical Performance

13.38 GPixel/s

Pixel Rate

13.20 GPixel/s

26.75 GTexel/s

Texture Rate

13.20 GTexel/s

-

855.4 GFLOPS

FP32 (float)

528.0 GFLOPS

106.9 GFLOPS

FP64 (double)

105.6 GFLOPS

Board Design

200W

TDP

165W

550 W

Suggested PSU

450 W

2x DVI 1x mini-HDMI 1.3a

Outputs

2x DVI 1x S-Video

2x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

GF100

GPU Name

R680

GF100-030-A3

GPU Variant

R680 XT (215-0708017)

Fermi

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

3.1 billion

Transistors

0.666 billion

529 mm²

Die Size

192 mm²

Graphics Features

12 (11_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3 (full) 4.0 (partial)

1.1

OpenCL

N/A

Vulkan

N/A

2.0

CUDA

-

5.1

Shader Model

4.1

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