ATI Radeon HD 5770 vs NVIDIA GeForce GTX 645 OEM

VS

ATI Radeon HD 5770 NVIDIA GeForce GTX 645 OEM

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 5770 and 1024MB VRAM GeForce GTX 645 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 5770 's Advantages

Larger VRAM bandwidth (76.80GB/s vs 64.00GB/s)

224 additional rendering cores

NVIDIA GeForce GTX 645 OEM 's Advantages

Released 3 years and 6 months late

Lower TDP (65W vs 108W)

Score

Benchmark

FP32 (float)

Radeon HD 5770 +43%

1.36 TFLOPS

GeForce GTX 645 OEM

0.949 TFLOPS

Radeon HD 5770

VS

GeForce GTX 645 OEM

Graphics Card

Oct 2009

Release Date

Apr 2013

Evergreen

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1200 MHz

Memory Clock

1000 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

76.80GB/s

Bandwidth

64.00GB/s

Render Config

-

SM Count

-

10

Compute Units

-

800

Shading Units

576

40

TMUs

48

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

256 KB

Theoretical Performance

13.60 GPixel/s

Pixel Rate

9.888 GPixel/s

34.00 GTexel/s

Texture Rate

39.55 GTexel/s

-

FP16 (half)

-

1360 GFLOPS

FP32 (float)

949.2 GFLOPS

-

FP64 (double)

39.55 GFLOPS

Graphics Processor

Juniper

GPU Name

GK106

Juniper XT (215-0754013)

GPU Variant

GK106-200-A1

TeraScale 2

Architecture

Kepler

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.04 billion

Transistors

2.54 billion

166 mm²

Die Size

221 mm²

Board Design

108W

TDP

65W

300 W

Suggested PSU

250 W

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

Outputs

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

1x 6-pin

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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