NVIDIA GeForce GTX 465 vs ATI Radeon HD 2900 GT

VS

NVIDIA GeForce GTX 465 ATI Radeon HD 2900 GT

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 465 and 256MB VRAM Radeon HD 2900 GT 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 6 months late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (102.7GB/s vs 51.20GB/s)

112 additional rendering cores

ATI Radeon HD 2900 GT 's Advantages

Lower TDP (150W vs 200W)

Score

Benchmark

FP32 (float)

GeForce GTX 465 +196%

0.855 TFLOPS

Radeon HD 2900 GT

0.288 TFLOPS

GeForce GTX 465

VS

Radeon HD 2900 GT

Graphics Card

May 2010

Release Date

Nov 2007

GeForce 400

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

802 MHz

Memory Clock

800 MHz

Memory

1024MB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

256bit

102.7GB/s

Bandwidth

51.20GB/s

Render Config

11

SM Count

-

Compute Units

3

352

Shading Units

240

44

TMUs

12

32

ROPs

12

-

Tensor Cores

-

RT Cores

-

64 KB (per SM)

L1 Cache

-

512 KB

L2 Cache

128 KB

Theoretical Performance

13.38 GPixel/s

Pixel Rate

7.212 GPixel/s

26.75 GTexel/s

Texture Rate

7.212 GTexel/s

-

FP16 (half)

-

855.4 GFLOPS

FP32 (float)

288.5 GFLOPS

106.9 GFLOPS

FP64 (double)

-

Graphics Processor

GF100

GPU Name

R600

GF100-030-A3

GPU Variant

R600 GT (215RGFDKA13FG)

Fermi

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

80 nm

3.1 billion

Transistors

0.72 billion

529 mm²

Die Size

420 mm²

Board Design

200W

TDP

150W

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 8-pin

Graphics Features

12 (11_0)

DirectX

10.0 (10_0)

4.6

OpenGL

3.3 (full) 4.0 (partial)

1.1

OpenCL

N/A

Vulkan

N/A

2.0

CUDA

-

5.1

Shader Model

4.0

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