ATI Radeon HD 5870 vs NVIDIA GeForce GT 420 OEM

VS

ATI Radeon HD 5870

NVIDIA GeForce GT 420 OEM

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 5870 and 1024MB VRAM GeForce GT 420 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 5870 's Advantages

Larger VRAM bandwidth (153.6GB/s vs 28.80GB/s)

1552 additional rendering cores

NVIDIA GeForce GT 420 OEM 's Advantages

Released 1 years late

Lower TDP (50W vs 188W)

Score

Benchmark

FP32 (float)

Radeon HD 5870 +1929%

2.72 TFLOPS

GeForce GT 420 OEM

0.134 TFLOPS

Radeon HD 5870

VS

GeForce GT 420 OEM

Graphics Card

Sep 2009

Release Date

Sep 2010

Evergreen

Generation

GeForce 400

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1200 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

128bit

153.6GB/s

Bandwidth

28.80GB/s

Render Config

20

Compute Units

-

SM Count

1

1600

Shading Units

48

80

TMUs

4

32

ROPs

4

-

8 KB (per CU)

L1 Cache

64 KB (per SM)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

27.20 GPixel/s

Pixel Rate

1.400 GPixel/s

68.00 GTexel/s

Texture Rate

2.800 GTexel/s

-

2.720 TFLOPS

FP32 (float)

134.4 GFLOPS

544.0 GFLOPS

FP64 (double)

11.20 GFLOPS

Board Design

188W

TDP

50W

450 W

Suggested PSU

250 W

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

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

2x 6-pin

Power Connectors

None

Graphics Processor

Cypress

GPU Name

GF108

Cypress XT (215-0735033)

GPU Variant

GF108-200-A1

TeraScale 2

Architecture

Fermi

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

2.154 billion

Transistors

0.585 billion

334 mm²

Die Size

116 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

2.1

5.0

Shader Model

5.1

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