AMD Radeon HD 7670 OEM vs NVIDIA GeForce GTX 645 OEM

VS

AMD Radeon HD 7670 OEM NVIDIA GeForce GTX 645 OEM

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 7670 OEM and 1024MB VRAM GeForce GTX 645 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 645 OEM 's Advantages

Released 1 years and 3 months late

More VRAM (1024GB vs 512GB)

96 additional rendering cores

Lower TDP (65W vs 66W)

Score

Benchmark

FP32 (float)

Radeon HD 7670 OEM

0.768 TFLOPS

GeForce GTX 645 OEM +23%

0.949 TFLOPS

Radeon HD 7670 OEM

VS

GeForce GTX 645 OEM

Graphics Card

Jan 2012

Release Date

Apr 2013

Southern Islands

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1000 MHz

Memory Clock

1000 MHz

Memory

512MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

64.00GB/s

Bandwidth

64.00GB/s

Render Config

-

SM Count

-

6

Compute Units

-

480

Shading Units

576

24

TMUs

48

8

ROPs

16

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

256 KB

Theoretical Performance

6.400 GPixel/s

Pixel Rate

9.888 GPixel/s

19.20 GTexel/s

Texture Rate

39.55 GTexel/s

-

FP16 (half)

-

768.0 GFLOPS

FP32 (float)

949.2 GFLOPS

-

FP64 (double)

39.55 GFLOPS

Graphics Processor

Turks

GPU Name

GK106

Turks XT (215-0803000)

GPU Variant

GK106-200-A1

TeraScale 2

Architecture

Kepler

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.716 billion

Transistors

2.54 billion

118 mm²

Die Size

221 mm²

Board Design

66W

TDP

65W

250 W

Suggested PSU

250 W

1x DVI 1x DisplayPort 1.1 1x VGA

Outputs

1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

None

Power Connectors

None

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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