AMD Radeon HD 6850 X2 vs AMD Radeon HD 7770 GHz Edition

VS

AMD Radeon HD 6850 X2

AMD Radeon HD 7770 GHz Edition

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6850 X2 and 1024MB VRAM Radeon HD 7770 GHz Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6850 X2 's Advantages

More VRAM (2GB vs 1024GB)

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

320 additional rendering cores

AMD Radeon HD 7770 GHz Edition 's Advantages

Lower TDP (80W vs 254W)

Score

Benchmark

FP32 (float)

Radeon HD 6850 X2 +20%

1.536 TFLOPS

Radeon HD 7770 GHz Edition

1.28 TFLOPS

Radeon HD 6850 X2

VS

Radeon HD 7770 GHz Edition

Graphics Card

Sep 2011

Release Date

Feb 2012

Northern Islands

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1050 MHz

Memory Clock

1125 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

134.4GB/s

Bandwidth

72.00GB/s

Render Config

12

Compute Units

10

-

960

Shading Units

640

48

TMUs

40

32

ROPs

16

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

25.60 GPixel/s

Pixel Rate

16.00 GPixel/s

38.40 GTexel/s

Texture Rate

40.00 GTexel/s

-

1.536 TFLOPS

FP32 (float)

1280 GFLOPS

-

FP64 (double)

80.00 GFLOPS

Board Design

254W

TDP

80W

600 W

Suggested PSU

250 W

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

Outputs

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

2x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

Barts

GPU Name

Cape Verde

Barts PRO (215-0798006)

GPU Variant

Cape Verde XT

TeraScale 2

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.7 billion

Transistors

1.5 billion

255 mm²

Die Size

123 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 6850 X2 vs AMD Radeon R9 370 1024SP

2

AMD Radeon HD 6850 X2 vs NVIDIA GeForce GT 415 OEM

3

AMD Radeon HD 6850 X2 vs NVIDIA GeForce GTX 1060 6 GB GDDR5X

4

AMD Radeon HD 6850 X2 vs NVIDIA GeForce GTX TITAN Z

5

AMD Radeon HD 6850 X2 vs NVIDIA GeForce GTX 650 Ti

6

AMD Radeon HD 6850 X2 vs AMD Radeon R5 235 OEM

7

AMD Radeon HD 6850 X2 vs NVIDIA GeForce GTX 560 SE

8

AMD Radeon HD 6850 X2 vs NVIDIA GeForce RTX 4070 GDDR6

9

AMD Radeon HD 6850 X2 vs NVIDIA GeForce GT 640 OEM Rebrand

10

AMD Radeon HD 6850 X2 vs AMD Radeon HD 6870 1600SP Edition

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