AMD Radeon HD 6790 vs AMD Radeon R7 340 OEM

VS

AMD Radeon HD 6790

AMD Radeon R7 340 OEM

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6790 and 2GB VRAM Radeon R7 340 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6790 's Advantages

Larger VRAM bandwidth (134.4GB/s vs 64.00GB/s)

416 additional rendering cores

AMD Radeon R7 340 OEM 's Advantages

Released 4 years and 1 months late

Boost Clock780MHz

More VRAM (2GB vs 1024GB)

Lower TDP (50W vs 150W)

Score

Benchmark

FP32 (float)

Radeon HD 6790 +124%

1.344 TFLOPS

Radeon R7 340 OEM

0.599 TFLOPS

Radeon HD 6790

VS

Radeon R7 340 OEM

Graphics Card

Apr 2011

Release Date

May 2015

Northern Islands

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

730 MHz

-

Boost Clock

780 MHz

1050 MHz

Memory Clock

1000 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

134.4GB/s

Bandwidth

64.00GB/s

Render Config

10

Compute Units

6

-

800

Shading Units

384

40

TMUs

24

16

ROPs

8

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

13.44 GPixel/s

Pixel Rate

6.240 GPixel/s

33.60 GTexel/s

Texture Rate

18.72 GTexel/s

-

1344 GFLOPS

FP32 (float)

599.0 GFLOPS

-

FP64 (double)

37.44 GFLOPS

Board Design

150W

TDP

50W

450 W

Suggested PSU

250 W

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

Outputs

1x DVI 1x HDMI 1.4a 1x VGA

2x 6-pin

Power Connectors

None

Graphics Processor

Barts

GPU Name

Oland

Barts LE (215-0798002)

GPU Variant

-

TeraScale 2

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.7 billion

Transistors

0.95 billion

255 mm²

Die Size

77 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_1)

4.4

OpenGL

4.6

1.2

OpenCL

1.2

N/A

Vulkan

1.2

-

5.0

Shader Model

5.1

Related GPU Comparisons

1

AMD Radeon HD 6790 vs NVIDIA GeForce RTX 4060 Ti 16 GB

2

AMD Radeon HD 6790 vs NVIDIA GeForce RTX 2060

3

AMD Radeon HD 6790 vs AMD Radeon HD 6870

4

AMD Radeon HD 6790 vs NVIDIA GeForce GTS 250

5

AMD Radeon HD 6790 vs AMD Radeon HD 6570

6

AMD Radeon HD 6790 vs NVIDIA GeForce 9600 GT Green Edition

7

AMD Radeon HD 6790 vs ATI Radeon HD 4350 PCIe x1

8

AMD Radeon HD 6790 vs NVIDIA RTX A1000

9

AMD Radeon HD 6790 vs ATI FirePro V5700

10

AMD Radeon HD 6790 vs NVIDIA GeForce 8500 GT

Related News

1

AMD's Thunderous Strike: Ryzen 9 9950X3D Performance Scores Revealed for the First Time!

2

Continuous Decline in DRAM Memory Prices: Downward Trend Intensifies

3

NVIDIA GB202 Chip Unveiled for the First Time, to be Used in RTX 5090 with 512-bit GDDR7 Memory

4

Strix Halo Integrated Graphics Score Appears on Passmark, Currently Slightly Below RTX 3060 12GB

5

AMD Unveils New RX 9070 XT Graphics Card Performance: Positioned Between RX 7900 GRE and RX 7900 XT

6

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

7

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

8

CXMT Reportedly Achieves 80% Yield in DDR5 Production

9

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

10

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