AMD Radeon HD 6790 vs ATI Radeon HD 4750

VS

AMD Radeon HD 6790

ATI Radeon HD 4750

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6790 and 512MB VRAM Radeon HD 4750 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6790 's Advantages

Released 1 years and 7 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (134.4GB/s vs 51.20GB/s)

160 additional rendering cores

ATI Radeon HD 4750 's Advantages

Lower TDP (100W vs 150W)

Score

Benchmark

FP32 (float)

Radeon HD 6790 +43%

1.344 TFLOPS

Radeon HD 4750

0.934 TFLOPS

Radeon HD 6790

VS

Radeon HD 4750

Graphics Card

Apr 2011

Release Date

Sep 2009

Northern Islands

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1050 MHz

Memory Clock

800 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

134.4GB/s

Bandwidth

51.20GB/s

Render Config

10

Compute Units

8

-

800

Shading Units

640

40

TMUs

32

16

ROPs

16

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

128 KB

-

Theoretical Performance

13.44 GPixel/s

Pixel Rate

11.68 GPixel/s

33.60 GTexel/s

Texture Rate

23.36 GTexel/s

-

1344 GFLOPS

FP32 (float)

934.4 GFLOPS

-

FP64 (double)

186.9 GFLOPS

Board Design

150W

TDP

100W

450 W

Suggested PSU

300 W

2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1

Outputs

2x DVI 1x S-Video

2x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

Barts

GPU Name

RV740

Barts LE (215-0798002)

GPU Variant

RV740 PRO

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.7 billion

Transistors

0.826 billion

255 mm²

Die Size

137 mm²

Graphics Features

11.2 (11_0)

DirectX

10.1 (10_1)

4.4

OpenGL

3.3

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

5.0

Shader Model

4.1

Related GPU Comparisons

1

AMD Radeon HD 6790 vs NVIDIA NVS 1000

2

AMD Radeon HD 6790 vs ATI FireGL V8600

3

AMD Radeon HD 6790 vs AMD FirePro R5000

4

AMD Radeon HD 6790 vs NVIDIA GeForce 405 OEM

5

AMD Radeon HD 6790 vs NVIDIA GeForce RTX 3070 Ti 16 GB

6

AMD Radeon HD 6790 vs NVIDIA GeForce RTX 4080 12 GB

7

AMD Radeon HD 6790 vs NVIDIA GeForce 9800 GT

8

AMD Radeon HD 6790 vs NVIDIA GeForce GT 220 OEM

9

AMD Radeon HD 6790 vs ATI FirePro V3800

10

AMD Radeon HD 6790 vs NVIDIA Quadro FX 540

Related News

1

Double the Excitement! AMD FSR 4.0 to Launch Alongside RX 9070 XT Graphics Card

2

CPU-Z Minor Update: Support for Intel's Four New Products and New Memory

3

CXMT Reportedly Achieves 80% Yield in DDR5 Production

4

Intel Wildcat Lake Appears on Shipping List with FCBGA1516 Socket, Poised to Replace Alder Lake-N

5

The Commencement of ARM and Qualcomm Licensing Dispute Trial: Potential Major Impact on PC Market

6

NVIDIA Allegedly Equips RTX 5080 with 30Gbps Memory Speed, Other Models to Feature 28Gbps

7

Intel Reports High Return Rates for Devices Featuring Snapdragon X Series; Qualcomm Counters with 'Industry Standard' Claim

8

Intel Confirms Panther Lake Adopts 18A Process, ES0 Samples Already Sent to Customers

9

Complete Lineup of Core Ultra 200HX/H/U and Core 200H/U Revealed: 31 Models to Dazzle the Eyes

10

Amechi Unveils V1 Mini PC: Only 0.33L Volume with 150W Power Consumption