AMD Radeon HD 6390 vs AMD Radeon HD 6770

VS

AMD Radeon HD 6390

AMD Radeon HD 6770

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6390 and 1024MB VRAM Radeon HD 6770 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6390 's Advantages

Released 6 months late

Lower TDP (39W vs 108W)

AMD Radeon HD 6770 's Advantages

Larger VRAM bandwidth (76.80GB/s vs 16.00GB/s)

480 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6390

0.352 TFLOPS

Radeon HD 6770 +286%

1.36 TFLOPS

Radeon HD 6390

VS

Radeon HD 6770

Graphics Card

Jul 2011

Release Date

Jan 2011

Northern Islands

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

500 MHz

Memory Clock

1200 MHz

Memory

1024MB

Memory Size

1024MB

DDR2

Memory Type

GDDR5

128bit

Memory Bus

128bit

16.00GB/s

Bandwidth

76.80GB/s

Render Config

4

Compute Units

10

-

320

Shading Units

800

16

TMUs

40

8

ROPs

16

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

4.400 GPixel/s

Pixel Rate

13.60 GPixel/s

8.800 GTexel/s

Texture Rate

34.00 GTexel/s

-

352.0 GFLOPS

FP32 (float)

1360 GFLOPS

-

Board Design

39W

TDP

108W

200 W

Suggested PSU

300 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

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

None

Power Connectors

1x 6-pin

Graphics Processor

Redwood

GPU Name

Juniper

Redwood LE

GPU Variant

Juniper XT (215-0754013)

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.627 billion

Transistors

1.04 billion

104 mm²

Die Size

166 mm²

Graphics Features

11.2 (11_0)

DirectX

11.2 (11_0)

4.4

OpenGL

4.4

1.2

OpenCL

1.2

N/A

Vulkan

N/A

-

5.0

Shader Model

5.0

Related GPU Comparisons

1

AMD Radeon HD 6390 vs NVIDIA GeForce GTX 950 OEM

2

AMD Radeon HD 6390 vs Intel H3C XG310

3

AMD Radeon HD 6390 vs NVIDIA GeForce GTX 260 Core 216

4

AMD Radeon HD 6390 vs NVIDIA GeForce GTS 240 OEM

5

AMD Radeon HD 6390 vs NVIDIA GeForce GTX 1080 11Gbps

6

AMD Radeon HD 6390 vs AMD Radeon HD 7950 Boost

7

AMD Radeon HD 6390 vs AMD Radeon R7 340 OEM

8

AMD Radeon HD 6390 vs NVIDIA GeForce GT 610 OEM

9

AMD Radeon HD 6390 vs NVIDIA GeForce 9500 GT Mac Edition

10

AMD Radeon HD 6390 vs AMD Radeon RX 6900 XT

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