AMD Radeon HD 6870 vs NVIDIA GeForce GT 330 OEM

VS

AMD Radeon HD 6870

NVIDIA GeForce GT 330 OEM

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6870 and 1024MB VRAM GeForce GT 330 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6870 's Advantages

Released 8 months late

Larger VRAM bandwidth (134.4GB/s vs 51.20GB/s)

1024 additional rendering cores

NVIDIA GeForce GT 330 OEM 's Advantages

Lower TDP (75W vs 151W)

Score

Benchmark

FP32 (float)

Radeon HD 6870 +740%

2.016 TFLOPS

GeForce GT 330 OEM

0.24 TFLOPS

Radeon HD 6870

VS

GeForce GT 330 OEM

Graphics Card

Oct 2010

Release Date

Feb 2010

Northern Islands

Generation

GeForce 300

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1050 MHz

Memory Clock

800 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

256bit

134.4GB/s

Bandwidth

51.20GB/s

Render Config

14

Compute Units

-

SM Count

12

1120

Shading Units

96

56

TMUs

48

32

ROPs

8

-

8 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

64 KB

-

Theoretical Performance

28.80 GPixel/s

Pixel Rate

4.000 GPixel/s

50.40 GTexel/s

Texture Rate

24.00 GTexel/s

-

2.016 TFLOPS

FP32 (float)

240.0 GFLOPS

-

Board Design

151W

TDP

75W

450 W

Suggested PSU

250 W

2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1

Outputs

1x DVI 1x HDMI 1x VGA

2x 6-pin

Power Connectors

None

Graphics Processor

Barts

GPU Name

G92

Barts XT (215-0798000)

GPU Variant

-

TeraScale 2

Architecture

Tesla

TSMC

Foundry

TSMC

40 nm

Process Size

65 nm

1.7 billion

Transistors

0.754 billion

255 mm²

Die Size

324 mm²

Graphics Features

11.2 (11_0)

DirectX

11.1 (10_0)

4.4

OpenGL

3.3

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

1.1

5.0

Shader Model

4.0

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