NVIDIA GeForce 9800 GX2 vs AMD Radeon HD 6870

VS

NVIDIA GeForce 9800 GX2

AMD Radeon HD 6870

We compared two Desktop platform GPUs: 512MB VRAM GeForce 9800 GX2 and 1024MB VRAM Radeon HD 6870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6870 's Advantages

Released 2 years and 7 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (134.4GB/s vs 64.00GB/s)

992 additional rendering cores

Lower TDP (151W vs 197W)

Score

Benchmark

FP32 (float)

GeForce 9800 GX2

0.384 TFLOPS

Radeon HD 6870 +425%

2.016 TFLOPS

GeForce 9800 GX2

VS

Radeon HD 6870

Graphics Card

Mar 2008

Release Date

Oct 2010

GeForce 9

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

1050 MHz

Memory

512MB

Memory Size

1024MB

GDDR3

Memory Type

GDDR5

256bit

Memory Bus

256bit

64.00GB/s

Bandwidth

134.4GB/s

Render Config

-

Compute Units

14

16

SM Count

-

128

Shading Units

1120

64

TMUs

56

16

ROPs

32

-

L1 Cache

8 KB (per CU)

64 KB

L2 Cache

512 KB

-

Theoretical Performance

9.600 GPixel/s

Pixel Rate

28.80 GPixel/s

38.40 GTexel/s

Texture Rate

50.40 GTexel/s

-

384.0 GFLOPS

FP32 (float)

2.016 TFLOPS

-

Board Design

197W

TDP

151W

450 W

Suggested PSU

450 W

2x DVI 1x HDMI

Outputs

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

1x 6-pin + 1x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

G92

GPU Name

Barts

G92-450-A2

GPU Variant

Barts XT (215-0798000)

Tesla

Architecture

TeraScale 2

TSMC

Foundry

TSMC

65 nm

Process Size

40 nm

0.754 billion

Transistors

1.7 billion

324 mm²

Die Size

255 mm²

Graphics Features

11.1 (10_0)

DirectX

11.2 (11_0)

3.3

OpenGL

4.4

1.1

OpenCL

1.2

N/A

Vulkan

N/A

1.1

CUDA

-

4.0

Shader Model

5.0

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