AMD Radeon HD 7790 vs ATI Radeon HD 4860

VS

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 7790 and 512MB VRAM Radeon HD 4860 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7790 's Advantages

Released 3 years and 6 months late

More VRAM (1024GB vs 512GB)

256 additional rendering cores

Lower TDP (85W vs 130W)

Score

Benchmark

FP32 (float)

Radeon HD 7790 +100%

1.792 TFLOPS

Radeon HD 4860

0.896 TFLOPS

Radeon HD 7790

VS

Radeon HD 4860

Graphics Card

Mar 2013

Release Date

Sep 2009

Southern Islands

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1500 MHz

Memory Clock

750 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

96.00GB/s

Bandwidth

96.00GB/s

Render Config

-

SM Count

-

14

Compute Units

8

896

Shading Units

640

56

TMUs

32

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

Theoretical Performance

16.00 GPixel/s

Pixel Rate

11.20 GPixel/s

56.00 GTexel/s

Texture Rate

22.40 GTexel/s

-

FP16 (half)

-

1.792 TFLOPS

FP32 (float)

896.0 GFLOPS

112.0 GFLOPS

FP64 (double)

179.2 GFLOPS

Graphics Processor

Bonaire

GPU Name

RV790

Bonaire XT (215-0839039)

GPU Variant

RV790 GT

GCN 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

2.08 billion

Transistors

0.959 billion

160 mm²

Die Size

282 mm²

Board Design

85W

TDP

130W

250 W

Suggested PSU

300 W

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

Outputs

2x DVI 1x S-Video

1x 6-pin

Power Connectors

2x 6-pin

Graphics Features

12 (12_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.0

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

-

6.3

Shader Model

4.1

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