NVIDIA GeForce GTX 465 vs AMD Radeon HD 6850

VS

NVIDIA GeForce GTX 465

AMD Radeon HD 6850

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

Main Differences

AMD Radeon HD 6850 's Advantages

Larger VRAM bandwidth (128.0GB/s vs 102.7GB/s)

608 additional rendering cores

Lower TDP (127W vs 200W)

Score

Benchmark

FP32 (float)

GeForce GTX 465

0.855 TFLOPS

Radeon HD 6850 +74%

1.488 TFLOPS

GeForce GTX 465

VS

Radeon HD 6850

Graphics Card

May 2010

Release Date

Oct 2010

GeForce 400

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

802 MHz

Memory Clock

1000 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

102.7GB/s

Bandwidth

128.0GB/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

24.80 GPixel/s

26.75 GTexel/s

Texture Rate

37.20 GTexel/s

-

855.4 GFLOPS

FP32 (float)

1488 GFLOPS

106.9 GFLOPS

FP64 (double)

-

Board Design

200W

TDP

127W

550 W

Suggested PSU

300 W

2x DVI 1x mini-HDMI 1.3a

Outputs

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

2x 6-pin

Power Connectors

1x 6-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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