AMD Radeon Sky 700 vs ATI Radeon HD 3870

VS

AMD Radeon Sky 700

ATI Radeon HD 3870

We compared two Desktop platform GPUs: 6GB VRAM Radeon Sky 700 and 512MB VRAM Radeon HD 3870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Sky 700 's Advantages

Released 5 years and 4 months late

More VRAM (6GB vs 512GB)

Larger VRAM bandwidth (264.0GB/s vs 72.06GB/s)

1472 additional rendering cores

ATI Radeon HD 3870 's Advantages

Lower TDP (106W vs 225W)

Score

Benchmark

FP32 (float)

Radeon Sky 700 +549%

3.226 TFLOPS

Radeon HD 3870

0.497 TFLOPS

Radeon Sky 700

VS

Radeon HD 3870

Graphics Card

Mar 2013

Release Date

Nov 2007

Radeon Sky

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1375 MHz

Memory Clock

1126 MHz

Memory

6GB

Memory Size

512MB

GDDR5

Memory Type

GDDR4

384bit

Memory Bus

256bit

264.0GB/s

Bandwidth

72.06GB/s

Render Config

28

Compute Units

4

-

1792

Shading Units

320

112

TMUs

16

32

ROPs

16

-

16 KB (per CU)

L1 Cache

-

768 KB

L2 Cache

256 KB

-

Theoretical Performance

28.80 GPixel/s

Pixel Rate

12.43 GPixel/s

100.8 GTexel/s

Texture Rate

12.43 GTexel/s

-

3.226 TFLOPS

FP32 (float)

497.3 GFLOPS

806.4 GFLOPS

FP64 (double)

99.46 GFLOPS

Board Design

225W

TDP

106W

550 W

Suggested PSU

300 W

1x DisplayPort 1.2

Outputs

2x DVI 1x S-Video

1x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

Tahiti

GPU Name

RV670

Tahiti PRO GL

GPU Variant

RV670 XT (215-0708005)

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

4.313 billion

Transistors

0.666 billion

352 mm²

Die Size

192 mm²

Graphics Features

12 (11_1)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3 (full) 4.0 (partial)

1.2

OpenCL

N/A

1.2

Vulkan

N/A

-

5.1

Shader Model

4.1

Related GPU Comparisons

1

AMD Radeon Sky 700 vs ATI FirePro V9800P

2

AMD Radeon Sky 700 vs ATI Radeon X1050

3

AMD Radeon Sky 700 vs AMD Radeon RX 550X 640SP

4

AMD Radeon Sky 700 vs ATI Radeon HD 2400

5

AMD Radeon Sky 700 vs ATI FireGL V7700

6

AMD Radeon Sky 700 vs AMD Radeon HD 8670 OEM

7

AMD Radeon Sky 700 vs AMD Radeon R9 290X2

8

AMD Radeon Sky 700 vs NVIDIA GeForce GT 530 OEM

9

AMD Radeon Sky 700 vs NVIDIA GeForce 9400 GT

10

AMD Radeon Sky 700 vs NVIDIA GeForce RTX 4070 Ti

Related News

1

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

2

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

3

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

4

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

5

CXMT Reportedly Achieves 80% Yield in DDR5 Production

6

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

7

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

8

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

9

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

10

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