AMD Radeon HD 6990 vs ATI Radeon HD 3570

VS

AMD Radeon HD 6990

ATI Radeon HD 3570

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6990 and 512MB VRAM Radeon HD 3570 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6990 's Advantages

Released 8 months late

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (160.0GB/s vs 7.920GB/s)

1496 additional rendering cores

ATI Radeon HD 3570 's Advantages

Lower TDP (30W vs 375W)

Score

Benchmark

FP32 (float)

Radeon HD 6990 +3884%

2.55 TFLOPS

Radeon HD 3570

0.064 TFLOPS

Radeon HD 6990

VS

Radeon HD 3570

Graphics Card

Mar 2011

Release Date

Jul 2010

Northern Islands

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1250 MHz

Memory Clock

495 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

DDR2

256bit

Memory Bus

64bit

160.0GB/s

Bandwidth

7.920GB/s

Render Config

24

Compute Units

2

-

1536

Shading Units

40

96

TMUs

4

32

ROPs

4

-

8 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

64 KB

-

Theoretical Performance

26.56 GPixel/s

Pixel Rate

3.184 GPixel/s

79.68 GTexel/s

Texture Rate

3.184 GTexel/s

-

2.550 TFLOPS

FP32 (float)

63.68 GFLOPS

637.4 GFLOPS

FP64 (double)

-

Board Design

375W

TDP

30W

750 W

Suggested PSU

200 W

1x DVI 4x mini-DisplayPort 1.2

Outputs

2x DisplayPort

2x 8-pin

Power Connectors

None

Graphics Processor

Antilles

GPU Name

RV620

Antilles XT (215-0807027)

GPU Variant

RV620 PRO (215-0670006)

TeraScale 3

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

2.64 billion

Transistors

0.181 billion

389 mm²

Die Size

67 mm²

Graphics Features

11.2 (11_0)

DirectX

10.1 (10_1)

4.4

OpenGL

3.3

1.2

OpenCL

N/A

Vulkan

N/A

-

5.0

Shader Model

4.1

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