AMD Radeon HD 6870 X2 vs NVIDIA GeForce GTX 465

VS

AMD Radeon HD 6870 X2

NVIDIA GeForce GTX 465

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6870 X2 and 1024MB VRAM GeForce GTX 465 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6870 X2 's Advantages

Released 1 years and 2 months late

Larger VRAM bandwidth (134.4GB/s vs 102.7GB/s)

768 additional rendering cores

NVIDIA GeForce GTX 465 's Advantages

Lower TDP (200W vs 300W)

Score

Benchmark

FP32 (float)

Radeon HD 6870 X2 +135%

2.016 TFLOPS

GeForce GTX 465

0.855 TFLOPS

Radeon HD 6870 X2

VS

GeForce GTX 465

Graphics Card

Jul 2011

Release Date

May 2010

Northern Islands

Generation

GeForce 400

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1050 MHz

Memory Clock

802 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

134.4GB/s

Bandwidth

102.7GB/s

Render Config

14

Compute Units

-

SM Count

11

1120

Shading Units

352

56

TMUs

44

32

ROPs

32

-

8 KB (per CU)

L1 Cache

64 KB (per SM)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

28.80 GPixel/s

Pixel Rate

13.38 GPixel/s

50.40 GTexel/s

Texture Rate

26.75 GTexel/s

-

2.016 TFLOPS

FP32 (float)

855.4 GFLOPS

-

FP64 (double)

106.9 GFLOPS

Board Design

300W

TDP

200W

700 W

Suggested PSU

550 W

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

Outputs

2x DVI 1x mini-HDMI 1.3a

-

Power Connectors

2x 6-pin

Graphics Processor

Barts

GPU Name

GF100

Barts XT (215-0798000)

GPU Variant

GF100-030-A3

TeraScale 2

Architecture

Fermi

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.7 billion

Transistors

3.1 billion

255 mm²

Die Size

529 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

2.0

5.0

Shader Model

5.1

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