AMD Radeon HD 6870 1600SP Edition vs NVIDIA GeForce GTX 650

VS

AMD Radeon HD 6870 1600SP Edition NVIDIA GeForce GTX 650

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6870 1600SP Edition and 1024MB VRAM GeForce GTX 650 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6870 1600SP Edition 's Advantages

Larger VRAM bandwidth (134.4GB/s vs 80.00GB/s)

1216 additional rendering cores

NVIDIA GeForce GTX 650 's Advantages

Lower TDP (65W vs 175W)

Score

Benchmark

FP32 (float)

Radeon HD 6870 1600SP Edition +234%

2.72 TFLOPS

GeForce GTX 650

0.812 TFLOPS

Radeon HD 6870 1600SP Edition

VS

GeForce GTX 650

Graphics Card

Jan 2013

Release Date

Sep 2012

Northern Islands

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1050 MHz

Memory Clock

1250 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

134.4GB/s

Bandwidth

80.00GB/s

Render Config

-

SM Count

-

20

Compute Units

-

1600

Shading Units

384

80

TMUs

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

256 KB

Theoretical Performance

27.20 GPixel/s

Pixel Rate

8.464 GPixel/s

68.00 GTexel/s

Texture Rate

33.86 GTexel/s

-

FP16 (half)

-

2.720 TFLOPS

FP32 (float)

812.5 GFLOPS

544.0 GFLOPS

FP64 (double)

33.86 GFLOPS

Graphics Processor

Cypress

GPU Name

GK107

Cypress XT (215-0735033)

GPU Variant

GK107-450-A2

TeraScale 2

Architecture

Kepler

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

2.154 billion

Transistors

1.27 billion

334 mm²

Die Size

118 mm²

Board Design

175W

TDP

65W

450 W

Suggested PSU

250 W

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

Outputs

2x DVI 1x mini-HDMI 1.4a

2x 6-pin

Power Connectors

1x 6-pin

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.1

-

CUDA

3.0

5.0

Shader Model

5.1

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