AMD Radeon HD 6390 vs AMD Radeon HD 8870 OEM

VS

AMD Radeon HD 6390

AMD Radeon HD 8870 OEM

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6390 and 2GB VRAM Radeon HD 8870 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6390 's Advantages

Lower TDP (39W vs 175W)

AMD Radeon HD 8870 OEM 's Advantages

Released 1 years and 6 months late

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (153.6GB/s vs 16.00GB/s)

960 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6390

0.352 TFLOPS

Radeon HD 8870 OEM +627%

2.56 TFLOPS

Radeon HD 6390

VS

Radeon HD 8870 OEM

Graphics Card

Jul 2011

Release Date

Jan 2013

Northern Islands

Generation

Sea Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

500 MHz

Memory Clock

1200 MHz

Memory

1024MB

Memory Size

2GB

DDR2

Memory Type

GDDR5

128bit

Memory Bus

256bit

16.00GB/s

Bandwidth

153.6GB/s

Render Config

4

Compute Units

20

-

320

Shading Units

1280

16

TMUs

80

8

ROPs

32

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

4.400 GPixel/s

Pixel Rate

32.00 GPixel/s

8.800 GTexel/s

Texture Rate

80.00 GTexel/s

-

352.0 GFLOPS

FP32 (float)

2.560 TFLOPS

-

FP64 (double)

160.0 GFLOPS

Board Design

39W

TDP

175W

200 W

Suggested PSU

450 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

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

None

Power Connectors

2x 6-pin

Graphics Processor

Redwood

GPU Name

Pitcairn

Redwood LE

GPU Variant

Pitcairn XT (215-0828047)

TeraScale 2

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.627 billion

Transistors

2.8 billion

104 mm²

Die Size

212 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 6390 vs AMD Radeon HD 7450 OEM

2

AMD Radeon HD 6390 vs ATI Radeon HD 3730

3

AMD Radeon HD 6390 vs AMD FirePro W5100

4

AMD Radeon HD 6390 vs NVIDIA GeForce GTX 760 OEM

5

AMD Radeon HD 6390 vs NVIDIA P102 101

6

AMD Radeon HD 6390 vs NVIDIA GeForce 9300 GS

7

AMD Radeon HD 6390 vs NVIDIA GeForce GTX 1660 Ti

8

AMD Radeon HD 6390 vs NVIDIA GeForce RTX 3080 Ti 20 GB

9

AMD Radeon HD 6390 vs ATI FirePro V7800

10

AMD Radeon HD 6390 vs NVIDIA GeForce GTX 760 X2

Related News

1

Continuous Decline in DRAM Memory Prices: Downward Trend Intensifies

2

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

3

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

4

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

5

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

6

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

7

CXMT Reportedly Achieves 80% Yield in DDR5 Production

8

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

9

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

10

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