NVIDIA GeForce GTX 650 vs AMD Radeon HD 6850 1440SP Edition

VS

NVIDIA GeForce GTX 650

AMD Radeon HD 6850 1440SP Edition

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 650 and 1024MB VRAM Radeon HD 6850 1440SP Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 650 's Advantages

Lower TDP (65W vs 151W)

AMD Radeon HD 6850 1440SP Edition 's Advantages

Larger VRAM bandwidth (128.0GB/s vs 80.00GB/s)

1056 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 650

0.812 TFLOPS

Radeon HD 6850 1440SP Edition +157%

2.088 TFLOPS

GeForce GTX 650

VS

Radeon HD 6850 1440SP Edition

Graphics Card

Sep 2012

Release Date

Aug 2012

GeForce 600

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1250 MHz

Memory Clock

1000 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

80.00GB/s

Bandwidth

128.0GB/s

Render Config

-

Compute Units

18

-

384

Shading Units

1440

32

TMUs

72

16

ROPs

32

-

16 KB (per SMX)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

8.464 GPixel/s

Pixel Rate

23.20 GPixel/s

33.86 GTexel/s

Texture Rate

52.20 GTexel/s

-

812.5 GFLOPS

FP32 (float)

2.088 TFLOPS

33.86 GFLOPS

FP64 (double)

417.6 GFLOPS

Board Design

65W

TDP

151W

250 W

Suggested PSU

450 W

2x DVI 1x mini-HDMI 1.4a

Outputs

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

1x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

GK107

GPU Name

Cypress

GK107-450-A2

GPU Variant

Cypress PRO (215-0735043)

Kepler

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.27 billion

Transistors

2.154 billion

118 mm²

Die Size

334 mm²

Graphics Features

12 (11_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.1

Vulkan

N/A

3.0

CUDA

-

5.1

Shader Model

5.0

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