ATI Radeon HD 4870 vs NVIDIA GeForce GTX 770

VS

ATI Radeon HD 4870

NVIDIA GeForce GTX 770

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4870 and 2GB VRAM GeForce GTX 770 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4870 's Advantages

Lower TDP (150W vs 230W)

NVIDIA GeForce GTX 770 's Advantages

Released 4 years and 11 months late

Boost Clock1085MHz

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (224.4GB/s vs 115.2GB/s)

736 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 4870

1.2 TFLOPS

GeForce GTX 770 +177%

3.333 TFLOPS

Radeon HD 4870

VS

GeForce GTX 770

Graphics Card

Jun 2008

Release Date

May 2013

Radeon R700

Generation

GeForce 700

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1046 MHz

-

Boost Clock

1085 MHz

900 MHz

Memory Clock

1753 MHz

Memory

512MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

115.2GB/s

Bandwidth

224.4GB/s

Render Config

10

Compute Units

-

800

Shading Units

1536

40

TMUs

128

16

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

12.00 GPixel/s

Pixel Rate

34.72 GPixel/s

30.00 GTexel/s

Texture Rate

138.9 GTexel/s

-

1200 GFLOPS

FP32 (float)

3.333 TFLOPS

240.0 GFLOPS

FP64 (double)

138.9 GFLOPS

Board Design

150W

TDP

230W

450 W

Suggested PSU

550 W

2x DVI 1x S-Video

Outputs

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

2x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

RV770

GPU Name

GK104

RV770 XT (215-0669049)

GPU Variant

GK104-425-A2

TeraScale

Architecture

Kepler

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.956 billion

Transistors

3.54 billion

256 mm²

Die Size

294 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (11_0)

3.3

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.1

-

CUDA

3.0

4.1

Shader Model

5.1

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