AMD Radeon HD 7770 GHz Edition vs AMD Radeon HD 6870 X2

VS

AMD Radeon HD 7770 GHz Edition

AMD Radeon HD 6870 X2

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 7770 GHz Edition and 1024MB VRAM Radeon HD 6870 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7770 GHz Edition 's Advantages

Released 7 months late

Lower TDP (80W vs 300W)

AMD Radeon HD 6870 X2 's Advantages

Larger VRAM bandwidth (134.4GB/s vs 72.00GB/s)

480 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7770 GHz Edition

1.28 TFLOPS

Radeon HD 6870 X2 +57%

2.016 TFLOPS

Radeon HD 7770 GHz Edition

VS

Radeon HD 6870 X2

Graphics Card

Feb 2012

Release Date

Jul 2011

Southern Islands

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1125 MHz

Memory Clock

1050 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

72.00GB/s

Bandwidth

134.4GB/s

Render Config

10

Compute Units

14

-

640

Shading Units

1120

40

TMUs

56

16

ROPs

32

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

16.00 GPixel/s

Pixel Rate

28.80 GPixel/s

40.00 GTexel/s

Texture Rate

50.40 GTexel/s

-

1280 GFLOPS

FP32 (float)

2.016 TFLOPS

80.00 GFLOPS

FP64 (double)

-

Board Design

80W

TDP

300W

250 W

Suggested PSU

700 W

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

Outputs

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

1x 6-pin

Power Connectors

-

Graphics Processor

Cape Verde

GPU Name

Barts

Cape Verde XT

GPU Variant

Barts XT (215-0798000)

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.5 billion

Transistors

1.7 billion

123 mm²

Die Size

255 mm²

Graphics Features

12 (11_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.2

OpenCL

1.2

Vulkan

N/A

-

5.1

Shader Model

5.0

Related GPU Comparisons

1

AMD Radeon HD 7770 GHz Edition vs NVIDIA GeForce GT 520 PCIe x1

2

AMD Radeon HD 7770 GHz Edition vs ATI Radeon HD 2600 XT Mac Edition

3

AMD Radeon HD 7770 GHz Edition vs AMD Radeon HD 8450 OEM

4

AMD Radeon HD 7770 GHz Edition vs AMD Radeon RX 550 512SP

5

AMD Radeon HD 7770 GHz Edition vs NVIDIA GeForce GTX 570 Rev. 2

6

AMD Radeon HD 7770 GHz Edition vs ATI Radeon HD 4850 X2

7

AMD Radeon HD 7770 GHz Edition vs NVIDIA GeForce 9600 GSO 512

8

AMD Radeon HD 7770 GHz Edition vs AMD Radeon HD 8510 OEM

9

AMD Radeon HD 7770 GHz Edition vs ATI FireMV 2400 PCIe x1

10

AMD Radeon HD 7770 GHz Edition vs NVIDIA GeForce GTX 1660 SUPER

Related News

1

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

2

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

3

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

4

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

5

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

6

iPhone 17 Series Set for Major Design Overhaul: Camera Module Transformed into Sleek Strip

7

The Thinnest iPhone Ever! iPhone 17 Air Reportedly Enters Foxconn's NPI Stage

8

Apple Allegedly Cancels M4 Extreme, Originally Planned for Mac Pro with 64-Core CPU and 160-Core GPU

9

Cyberpunk 2077 Update 2.2: Intel Arrow Lake Gaming Performance Soars by 33%!

10

Intel Finally Achieves Frame Generation! 'F1 24' Becomes the First XeSS 2 Game