NVIDIA GeForce GTX 465 vs AMD Radeon HD 6850 X2

VS

NVIDIA GeForce GTX 465

AMD Radeon HD 6850 X2

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 465 and 2GB VRAM Radeon HD 6850 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 465 's Advantages

Lower TDP (200W vs 254W)

AMD Radeon HD 6850 X2 's Advantages

Released 1 years and 4 months late

More VRAM (2GB vs 1024GB)

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

608 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 465

0.855 TFLOPS

Radeon HD 6850 X2 +79%

1.536 TFLOPS

GeForce GTX 465

VS

Radeon HD 6850 X2

Graphics Card

May 2010

Release Date

Sep 2011

GeForce 400

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

802 MHz

Memory Clock

1050 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

102.7GB/s

Bandwidth

134.4GB/s

Render Config

-

Compute Units

12

11

SM Count

-

352

Shading Units

960

44

TMUs

48

32

ROPs

32

-

64 KB (per SM)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

13.38 GPixel/s

Pixel Rate

25.60 GPixel/s

26.75 GTexel/s

Texture Rate

38.40 GTexel/s

-

855.4 GFLOPS

FP32 (float)

1.536 TFLOPS

106.9 GFLOPS

FP64 (double)

-

Board Design

200W

TDP

254W

550 W

Suggested PSU

600 W

2x DVI 1x mini-HDMI 1.3a

Outputs

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

2x 6-pin

Power Connectors

2x 8-pin

Graphics Processor

GF100

GPU Name

Barts

GF100-030-A3

GPU Variant

Barts PRO (215-0798006)

Fermi

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

3.1 billion

Transistors

1.7 billion

529 mm²

Die Size

255 mm²

Graphics Features

12 (11_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.1

OpenCL

1.2

N/A

Vulkan

N/A

2.0

CUDA

-

5.1

Shader Model

5.0

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