ATI Radeon HD 4890 vs NVIDIA GeForce GTX 770

VS

ATI Radeon HD 4890

NVIDIA GeForce GTX 770

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 4890 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 4890 's Advantages

Lower TDP (190W vs 230W)

NVIDIA GeForce GTX 770 's Advantages

Released 4 years and 1 months late

Boost Clock1085MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (224.4GB/s vs 124.8GB/s)

736 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 4890

1.36 TFLOPS

GeForce GTX 770 +145%

3.333 TFLOPS

Radeon HD 4890

VS

GeForce GTX 770

Graphics Card

Apr 2009

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

975 MHz

Memory Clock

1753 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

124.8GB/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

13.60 GPixel/s

Pixel Rate

34.72 GPixel/s

34.00 GTexel/s

Texture Rate

138.9 GTexel/s

-

1360 GFLOPS

FP32 (float)

3.333 TFLOPS

272.0 GFLOPS

FP64 (double)

138.9 GFLOPS

Board Design

190W

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

RV790

GPU Name

GK104

RV790 XT (215-0758016)

GPU Variant

GK104-425-A2

TeraScale

Architecture

Kepler

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.959 billion

Transistors

3.54 billion

282 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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