NVIDIA GeForce GT 340 OEM vs ATI Radeon HD 4870 X2

VS

NVIDIA GeForce GT 340 OEM

ATI Radeon HD 4870 X2

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 340 OEM and 1024MB VRAM Radeon HD 4870 X2 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 1 years and 6 months late

Lower TDP (69W vs 286W)

ATI Radeon HD 4870 X2 's Advantages

Larger VRAM bandwidth (115.2GB/s vs 27.20GB/s)

704 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 340 OEM

0.257 TFLOPS

Radeon HD 4870 X2 +366%

1.2 TFLOPS

GeForce GT 340 OEM

VS

Radeon HD 4870 X2

Graphics Card

Feb 2010

Release Date

Aug 2008

GeForce 300

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

850 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

1024MB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

256bit

27.20GB/s

Bandwidth

115.2GB/s

Render Config

-

Compute Units

10

12

SM Count

-

96

Shading Units

800

32

TMUs

40

8

ROPs

16

-

L1 Cache

16 KB (per CU)

64 KB

L2 Cache

256 KB

-

Theoretical Performance

4.400 GPixel/s

Pixel Rate

12.00 GPixel/s

17.60 GTexel/s

Texture Rate

30.00 GTexel/s

-

257.3 GFLOPS

FP32 (float)

1200 GFLOPS

-

FP64 (double)

240.0 GFLOPS

Board Design

69W

TDP

286W

250 W

Suggested PSU

600 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

R700

GT215-301-A3

GPU Variant

R700 XT (215-0669045)

Tesla 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

0.727 billion

Transistors

0.956 billion

144 mm²

Die Size

256 mm²

Graphics Features

11.1 (10_1)

DirectX

10.1 (10_1)

3.3

OpenGL

3.3

1.1

OpenCL

1.1

N/A

Vulkan

N/A

1.2

CUDA

-

4.1

Shader Model

4.1

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