NVIDIA GeForce GT 340 OEM vs ATI Radeon HD 2900 XT

VS

NVIDIA GeForce GT 340 OEM

ATI Radeon HD 2900 XT

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 340 OEM and 512MB VRAM Radeon HD 2900 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 340 OEM 's Advantages

Released 2 years and 9 months late

More VRAM (1024GB vs 512GB)

Lower TDP (69W vs 215W)

ATI Radeon HD 2900 XT 's Advantages

Larger VRAM bandwidth (106.0GB/s vs 27.20GB/s)

224 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 340 OEM

0.257 TFLOPS

Radeon HD 2900 XT +85%

0.476 TFLOPS

GeForce GT 340 OEM

VS

Radeon HD 2900 XT

Graphics Card

Feb 2010

Release Date

May 2007

GeForce 300

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

850 MHz

Memory Clock

828 MHz

Memory

1024MB

Memory Size

512MB

GDDR3

Memory Type

GDDR3

128bit

Memory Bus

512bit

27.20GB/s

Bandwidth

106.0GB/s

Render Config

-

Compute Units

4

12

SM Count

-

96

Shading Units

320

32

TMUs

16

8

ROPs

16

-

64 KB

L2 Cache

256 KB

-

Theoretical Performance

4.400 GPixel/s

Pixel Rate

11.89 GPixel/s

17.60 GTexel/s

Texture Rate

11.89 GTexel/s

-

257.3 GFLOPS

FP32 (float)

475.5 GFLOPS

-

Board Design

69W

TDP

215W

250 W

Suggested PSU

550 W

1x DVI 1x HDMI 1x VGA

Outputs

2x DVI 1x S-Video

None

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

GT215

GPU Name

R600

GT215-301-A3

GPU Variant

R600 XT (215RGMDKA13FG)

Tesla 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

80 nm

0.727 billion

Transistors

0.72 billion

144 mm²

Die Size

420 mm²

Graphics Features

11.1 (10_1)

DirectX

10.0 (10_0)

3.3

OpenGL

3.3 (full) 4.0 (partial)

1.1

OpenCL

N/A

Vulkan

N/A

1.2

CUDA

-

4.1

Shader Model

4.0

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