AMD Radeon HD 7990 vs ATI Radeon HD 4670 AGP

VS

AMD Radeon HD 7990 ATI Radeon HD 4670 AGP

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7990 and 1024MB VRAM Radeon HD 4670 AGP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7990 's Advantages

Released 3 years and 9 months late

Boost Clock1000MHz

More VRAM (3GB vs 1GB)

Larger VRAM bandwidth (288.0GB/s vs 25.60GB/s)

1728 additional rendering cores

ATI Radeon HD 4670 AGP 's Advantages

Lower TDP (59W vs 375W)

Score

Benchmark

FP32 (float)

Radeon HD 7990 +753%

4.096 TFLOPS

Radeon HD 4670 AGP

0.48 TFLOPS

Radeon HD 7990

VS

Radeon HD 4670 AGP

Graphics Card

Apr 2013

Release Date

Jul 2009

Southern Islands

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

AGP 8x

Clock Speeds

950 MHz

Base Clock

-

1000 MHz

Boost Clock

-

1500 MHz

Memory Clock

800 MHz

Memory

3GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR3

384bit

Memory Bus

128bit

288.0GB/s

Bandwidth

25.60GB/s

Render Config

-

SM Count

-

32

Compute Units

4

2048

Shading Units

320

128

TMUs

32

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

768 KB

L2 Cache

128 KB

Theoretical Performance

32.00 GPixel/s

Pixel Rate

6.000 GPixel/s

128.0 GTexel/s

Texture Rate

24.00 GTexel/s

-

FP16 (half)

-

4.096 TFLOPS

FP32 (float)

480.0 GFLOPS

1024 GFLOPS

FP64 (double)

-

Graphics Processor

Malta

GPU Name

RV730

Malta XT (215-0849026)

GPU Variant

RV730 XT (215-0719047)

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

4.313 billion

Transistors

0.514 billion

365 mm²

Die Size

146 mm²

Board Design

375W

TDP

59W

750 W

Suggested PSU

250 W

1x DVI 4x mini-DisplayPort 1.2

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

2x 8-pin

Power Connectors

-

Graphics Features

12 (11_1)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

1.2

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

-

5.1

Shader Model

4.1

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