ATI Radeon HD 4870 vs NVIDIA GeForce GTS 450 Rev. 2

VS

ATI Radeon HD 4870 NVIDIA GeForce GTS 450 Rev. 2

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4870 and 1024MB VRAM GeForce GTS 450 Rev. 2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4870 's Advantages

Larger VRAM bandwidth (115.2GB/s vs 57.73GB/s)

608 additional rendering cores

NVIDIA GeForce GTS 450 Rev. 2 's Advantages

Released 2 years and 9 months late

More VRAM (1024GB vs 512GB)

Lower TDP (106W vs 150W)

Score

Benchmark

FP32 (float)

Radeon HD 4870 +99%

1.2 TFLOPS

GeForce GTS 450 Rev. 2

0.601 TFLOPS

Radeon HD 4870

VS

GeForce GTS 450 Rev. 2

Graphics Card

Jun 2008

Release Date

Mar 2011

Radeon R700

Generation

GeForce 400

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

900 MHz

Memory Clock

902 MHz

Memory

512MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

115.2GB/s

Bandwidth

57.73GB/s

Render Config

-

SM Count

4

10

Compute Units

-

800

Shading Units

192

40

TMUs

32

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

256 KB

Theoretical Performance

12.00 GPixel/s

Pixel Rate

6.264 GPixel/s

30.00 GTexel/s

Texture Rate

25.06 GTexel/s

-

FP16 (half)

-

1200 GFLOPS

FP32 (float)

601.3 GFLOPS

240.0 GFLOPS

FP64 (double)

50.11 GFLOPS

Graphics Processor

RV770

GPU Name

GF116

RV770 XT (215-0669049)

GPU Variant

GF116-200-KA-A1

TeraScale

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.956 billion

Transistors

1.17 billion

256 mm²

Die Size

238 mm²

Board Design

150W

TDP

106W

450 W

Suggested PSU

300 W

2x DVI 1x S-Video

Outputs

2x DVI 1x mini-HDMI 1.3a

2x 6-pin

Power Connectors

1x 6-pin

Graphics Features

10.1 (10_1)

DirectX

12 (11_0)

3.3

OpenGL

4.6

1.1

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

2.1

4.1

Shader Model

5.1

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